… | |
… | |
16 | |
16 | |
17 | #ifdef WIN32 |
17 | #ifdef WIN32 |
18 | # undef setjmp |
18 | # undef setjmp |
19 | # undef longjmp |
19 | # undef longjmp |
20 | # undef _exit |
20 | # undef _exit |
21 | # define setjmp _setjmp // deep magic, don't ask |
21 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
22 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
23 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
24 | #endif |
25 | |
25 | |
26 | #ifdef HAVE_MMAP |
26 | #ifdef HAVE_MMAP |
… | |
… | |
55 | |
55 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
57 | (PERL_REVISION > (a) \ |
57 | (PERL_REVISION > (a) \ |
58 | || (PERL_REVISION == (a) \ |
58 | || (PERL_REVISION == (a) \ |
59 | && (PERL_VERSION > (b) \ |
59 | && (PERL_VERSION > (b) \ |
60 | || (PERL_VERSION == (b) && PERLSUBVERSION >= (c))))) |
60 | || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c))))) |
61 | |
61 | |
62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
63 | # ifndef PL_ppaddr |
63 | # ifndef PL_ppaddr |
64 | # define PL_ppaddr ppaddr |
64 | # define PL_ppaddr ppaddr |
65 | # endif |
65 | # endif |
… | |
… | |
95 | # define GV_NOTQUAL 0 |
95 | # define GV_NOTQUAL 0 |
96 | #endif |
96 | #endif |
97 | #ifndef newSV |
97 | #ifndef newSV |
98 | # define newSV(l) NEWSV(0,l) |
98 | # define newSV(l) NEWSV(0,l) |
99 | #endif |
99 | #endif |
|
|
100 | #ifndef CvISXSUB_on |
|
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101 | # define CvISXSUB_on(cv) (void)cv |
|
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102 | #endif |
|
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103 | #ifndef CvISXSUB |
|
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104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
|
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105 | #endif |
|
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106 | #ifndef Newx |
|
|
107 | # define Newx(ptr,nitems,type) New (0,ptr,nitems,type) |
|
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108 | #endif |
100 | |
109 | |
101 | /* 5.8.7 */ |
110 | /* 5.8.7 */ |
102 | #ifndef SvRV_set |
111 | #ifndef SvRV_set |
103 | # define SvRV_set(s,v) SvRV(s) = (v) |
112 | # define SvRV_set(s,v) SvRV(s) = (v) |
104 | #endif |
113 | #endif |
… | |
… | |
116 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
125 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
117 | #endif |
126 | #endif |
118 | |
127 | |
119 | /* The next macros try to return the current stack pointer, in an as |
128 | /* The next macros try to return the current stack pointer, in an as |
120 | * portable way as possible. */ |
129 | * portable way as possible. */ |
|
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130 | #if __GNUC__ >= 4 |
|
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131 | # define dSTACKLEVEL int stacklevel_dummy |
|
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132 | # define STACKLEVEL __builtin_frame_address (0) |
|
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133 | #else |
121 | #define dSTACKLEVEL volatile char stacklevel |
134 | # define dSTACKLEVEL volatile void *stacklevel |
122 | #define STACKLEVEL ((void *)&stacklevel) |
135 | # define STACKLEVEL ((void *)&stacklevel) |
|
|
136 | #endif |
123 | |
137 | |
124 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
138 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
125 | |
139 | |
126 | #if __GNUC__ >= 3 |
140 | #if __GNUC__ >= 3 |
127 | # define attribute(x) __attribute__(x) |
141 | # define attribute(x) __attribute__(x) |
… | |
… | |
137 | #define expect_true(expr) expect ((expr) != 0, 1) |
151 | #define expect_true(expr) expect ((expr) != 0, 1) |
138 | |
152 | |
139 | #define NOINLINE attribute ((noinline)) |
153 | #define NOINLINE attribute ((noinline)) |
140 | |
154 | |
141 | #include "CoroAPI.h" |
155 | #include "CoroAPI.h" |
|
|
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
142 | |
157 | |
143 | #ifdef USE_ITHREADS |
158 | #ifdef USE_ITHREADS |
144 | |
|
|
145 | static perl_mutex coro_lock; |
|
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146 | # define LOCK do { MUTEX_LOCK (&coro_lock); } while (0) |
|
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147 | # define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0) |
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148 | # if CORO_PTHREAD |
159 | # if CORO_PTHREAD |
149 | static void *coro_thx; |
160 | static void *coro_thx; |
150 | # endif |
161 | # endif |
151 | |
|
|
152 | #else |
|
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153 | |
|
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154 | # define LOCK (void)0 |
|
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155 | # define UNLOCK (void)0 |
|
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156 | |
|
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157 | #endif |
162 | #endif |
158 | |
|
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159 | # undef LOCK |
|
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160 | # define LOCK (void)0 |
|
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161 | # undef UNLOCK |
|
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162 | # define UNLOCK (void)0 |
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163 | |
|
|
164 | /* helper storage struct for Coro::AIO */ |
|
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165 | struct io_state |
|
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166 | { |
|
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167 | AV *res; |
|
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168 | int errorno; |
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169 | I32 laststype; /* U16 in 5.10.0 */ |
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170 | int laststatval; |
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171 | Stat_t statcache; |
|
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172 | }; |
|
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173 | |
163 | |
174 | static double (*nvtime)(); /* so why doesn't it take void? */ |
164 | static double (*nvtime)(); /* so why doesn't it take void? */ |
|
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165 | |
|
|
166 | /* we hijack an hopefully unused CV flag for our purposes */ |
|
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167 | #define CVf_SLF 0x4000 |
|
|
168 | static OP *pp_slf (pTHX); |
175 | |
169 | |
176 | static U32 cctx_gen; |
170 | static U32 cctx_gen; |
177 | static size_t cctx_stacksize = CORO_STACKSIZE; |
171 | static size_t cctx_stacksize = CORO_STACKSIZE; |
178 | static struct CoroAPI coroapi; |
172 | static struct CoroAPI coroapi; |
179 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
173 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
180 | static JMPENV *main_top_env; |
174 | static JMPENV *main_top_env; |
181 | static HV *coro_state_stash, *coro_stash; |
175 | static HV *coro_state_stash, *coro_stash; |
182 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
176 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
183 | static volatile struct coro *transfer_next; |
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|
184 | |
177 | |
185 | struct transfer_args |
178 | static AV *av_destroy; /* destruction queue */ |
186 | { |
179 | static SV *sv_manager; /* the manager coro */ |
187 | struct coro *prev, *next; |
|
|
188 | }; |
|
|
189 | |
180 | |
190 | static GV *irsgv; /* $/ */ |
181 | static GV *irsgv; /* $/ */ |
191 | static GV *stdoutgv; /* *STDOUT */ |
182 | static GV *stdoutgv; /* *STDOUT */ |
192 | static SV *rv_diehook; |
183 | static SV *rv_diehook; |
193 | static SV *rv_warnhook; |
184 | static SV *rv_warnhook; |
194 | static HV *hv_sig; /* %SIG */ |
185 | static HV *hv_sig; /* %SIG */ |
195 | |
186 | |
196 | /* async_pool helper stuff */ |
187 | /* async_pool helper stuff */ |
197 | static SV *sv_pool_rss; |
188 | static SV *sv_pool_rss; |
198 | static SV *sv_pool_size; |
189 | static SV *sv_pool_size; |
|
|
190 | static SV *sv_async_pool_idle; /* description string */ |
199 | static AV *av_async_pool; |
191 | static AV *av_async_pool; /* idle pool */ |
|
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192 | static SV *sv_Coro; /* class string */ |
|
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193 | static CV *cv_pool_handler; |
|
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194 | static CV *cv_coro_state_new; |
200 | |
195 | |
201 | /* Coro::AnyEvent */ |
196 | /* Coro::AnyEvent */ |
202 | static SV *sv_activity; |
197 | static SV *sv_activity; |
203 | |
198 | |
204 | static struct coro_cctx *cctx_first; |
199 | static struct coro_cctx *cctx_first; |
… | |
… | |
212 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
207 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
213 | CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE, |
208 | CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE, |
214 | }; |
209 | }; |
215 | |
210 | |
216 | /* this is a structure representing a c-level coroutine */ |
211 | /* this is a structure representing a c-level coroutine */ |
217 | typedef struct coro_cctx { |
212 | typedef struct coro_cctx |
|
|
213 | { |
218 | struct coro_cctx *next; |
214 | struct coro_cctx *next; |
219 | |
215 | |
220 | /* the stack */ |
216 | /* the stack */ |
221 | void *sptr; |
217 | void *sptr; |
222 | size_t ssize; |
218 | size_t ssize; |
… | |
… | |
231 | #if CORO_USE_VALGRIND |
227 | #if CORO_USE_VALGRIND |
232 | int valgrind_id; |
228 | int valgrind_id; |
233 | #endif |
229 | #endif |
234 | unsigned char flags; |
230 | unsigned char flags; |
235 | } coro_cctx; |
231 | } coro_cctx; |
|
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232 | |
|
|
233 | coro_cctx *cctx_current; /* the currently running cctx */ |
|
|
234 | |
|
|
235 | /*****************************************************************************/ |
236 | |
236 | |
237 | enum { |
237 | enum { |
238 | CF_RUNNING = 0x0001, /* coroutine is running */ |
238 | CF_RUNNING = 0x0001, /* coroutine is running */ |
239 | CF_READY = 0x0002, /* coroutine is ready */ |
239 | CF_READY = 0x0002, /* coroutine is ready */ |
240 | CF_NEW = 0x0004, /* has never been switched to */ |
240 | CF_NEW = 0x0004, /* has never been switched to */ |
241 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
241 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
242 | }; |
242 | }; |
243 | |
243 | |
244 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
244 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
245 | typedef struct { |
245 | typedef struct |
|
|
246 | { |
246 | SV *defsv; |
247 | SV *defsv; |
247 | AV *defav; |
248 | AV *defav; |
248 | SV *errsv; |
249 | SV *errsv; |
249 | SV *irsgv; |
250 | SV *irsgv; |
250 | #define VAR(name,type) type name; |
251 | #define VAR(name,type) type name; |
… | |
… | |
254 | |
255 | |
255 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
256 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
256 | |
257 | |
257 | /* this is a structure representing a perl-level coroutine */ |
258 | /* this is a structure representing a perl-level coroutine */ |
258 | struct coro { |
259 | struct coro { |
259 | /* the c coroutine allocated to this perl coroutine, if any */ |
260 | /* the C coroutine allocated to this perl coroutine, if any */ |
260 | coro_cctx *cctx; |
261 | coro_cctx *cctx; |
261 | |
262 | |
262 | /* process data */ |
263 | /* state data */ |
|
|
264 | struct CoroSLF slf_frame; /* saved slf frame */ |
263 | AV *mainstack; |
265 | AV *mainstack; |
264 | perl_slots *slot; /* basically the saved sp */ |
266 | perl_slots *slot; /* basically the saved sp */ |
265 | |
267 | |
|
|
268 | CV *startcv; /* the CV to execute */ |
266 | AV *args; /* data associated with this coroutine (initial args) */ |
269 | AV *args; /* data associated with this coroutine (initial args) */ |
267 | int refcnt; /* coroutines are refcounted, yes */ |
270 | int refcnt; /* coroutines are refcounted, yes */ |
268 | int flags; /* CF_ flags */ |
271 | int flags; /* CF_ flags */ |
269 | HV *hv; /* the perl hash associated with this coro, if any */ |
272 | HV *hv; /* the perl hash associated with this coro, if any */ |
|
|
273 | void (*on_destroy)(pTHX_ struct coro *coro); |
270 | |
274 | |
271 | /* statistics */ |
275 | /* statistics */ |
272 | int usecount; /* number of transfers to this coro */ |
276 | int usecount; /* number of transfers to this coro */ |
273 | |
277 | |
274 | /* coro process data */ |
278 | /* coro process data */ |
275 | int prio; |
279 | int prio; |
276 | SV *throw; /* exception to be thrown */ |
280 | SV *except; /* exception to be thrown */ |
|
|
281 | SV *rouse_cb; |
277 | |
282 | |
278 | /* async_pool */ |
283 | /* async_pool */ |
279 | SV *saved_deffh; |
284 | SV *saved_deffh; |
|
|
285 | SV *invoke_cb; |
|
|
286 | AV *invoke_av; |
280 | |
287 | |
281 | /* linked list */ |
288 | /* linked list */ |
282 | struct coro *next, *prev; |
289 | struct coro *next, *prev; |
283 | }; |
290 | }; |
284 | |
291 | |
285 | typedef struct coro *Coro__State; |
292 | typedef struct coro *Coro__State; |
286 | typedef struct coro *Coro__State_or_hashref; |
293 | typedef struct coro *Coro__State_or_hashref; |
|
|
294 | |
|
|
295 | /* the following variables are effectively part of the perl context */ |
|
|
296 | /* and get copied between struct coro and these variables */ |
|
|
297 | /* the mainr easonw e don't support windows process emulation */ |
|
|
298 | static struct CoroSLF slf_frame; /* the current slf frame */ |
287 | |
299 | |
288 | /** Coro ********************************************************************/ |
300 | /** Coro ********************************************************************/ |
289 | |
301 | |
290 | #define PRIO_MAX 3 |
302 | #define PRIO_MAX 3 |
291 | #define PRIO_HIGH 1 |
303 | #define PRIO_HIGH 1 |
… | |
… | |
296 | |
308 | |
297 | /* for Coro.pm */ |
309 | /* for Coro.pm */ |
298 | static SV *coro_current; |
310 | static SV *coro_current; |
299 | static SV *coro_readyhook; |
311 | static SV *coro_readyhook; |
300 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
312 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
301 | static int coro_nready; |
313 | static CV *cv_coro_run, *cv_coro_terminate; |
302 | static struct coro *coro_first; |
314 | static struct coro *coro_first; |
|
|
315 | #define coro_nready coroapi.nready |
303 | |
316 | |
304 | /** lowlevel stuff **********************************************************/ |
317 | /** lowlevel stuff **********************************************************/ |
305 | |
318 | |
306 | static SV * |
319 | static SV * |
307 | coro_get_sv (pTHX_ const char *name, int create) |
320 | coro_get_sv (pTHX_ const char *name, int create) |
… | |
… | |
331 | get_hv (name, create); |
344 | get_hv (name, create); |
332 | #endif |
345 | #endif |
333 | return get_hv (name, create); |
346 | return get_hv (name, create); |
334 | } |
347 | } |
335 | |
348 | |
|
|
349 | /* may croak */ |
|
|
350 | INLINE CV * |
|
|
351 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
352 | { |
|
|
353 | HV *st; |
|
|
354 | GV *gvp; |
|
|
355 | return sv_2cv (sv, &st, &gvp, 0); |
|
|
356 | } |
|
|
357 | |
336 | static AV * |
358 | static AV * |
337 | coro_clone_padlist (pTHX_ CV *cv) |
359 | coro_derive_padlist (pTHX_ CV *cv) |
338 | { |
360 | { |
339 | AV *padlist = CvPADLIST (cv); |
361 | AV *padlist = CvPADLIST (cv); |
340 | AV *newpadlist, *newpad; |
362 | AV *newpadlist, *newpad; |
341 | |
363 | |
342 | newpadlist = newAV (); |
364 | newpadlist = newAV (); |
… | |
… | |
392 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
414 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
393 | |
415 | |
394 | return 0; |
416 | return 0; |
395 | } |
417 | } |
396 | |
418 | |
397 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
419 | #define CORO_MAGIC_type_cv 26 |
398 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
420 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
399 | |
421 | |
400 | static MGVTBL coro_cv_vtbl = { |
422 | static MGVTBL coro_cv_vtbl = { |
401 | 0, 0, 0, 0, |
423 | 0, 0, 0, 0, |
402 | coro_cv_free |
424 | coro_cv_free |
403 | }; |
425 | }; |
404 | |
426 | |
|
|
427 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
428 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
429 | ? SvMAGIC (sv) \ |
|
|
430 | : mg_find (sv, type)) |
|
|
431 | |
405 | #define CORO_MAGIC(sv, type) \ |
432 | #define CORO_MAGIC(sv, type) \ |
406 | SvMAGIC (sv) \ |
433 | (expect_true (SvMAGIC (sv)) \ |
407 | ? SvMAGIC (sv)->mg_type == type \ |
434 | ? CORO_MAGIC_NN (sv, type) \ |
408 | ? SvMAGIC (sv) \ |
|
|
409 | : mg_find (sv, type) \ |
|
|
410 | : 0 |
435 | : 0) |
411 | |
436 | |
412 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
437 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
413 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
438 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
414 | |
439 | |
415 | INLINE struct coro * |
440 | INLINE struct coro * |
416 | SvSTATE_ (pTHX_ SV *coro) |
441 | SvSTATE_ (pTHX_ SV *coro) |
417 | { |
442 | { |
418 | HV *stash; |
443 | HV *stash; |
… | |
… | |
435 | mg = CORO_MAGIC_state (coro); |
460 | mg = CORO_MAGIC_state (coro); |
436 | return (struct coro *)mg->mg_ptr; |
461 | return (struct coro *)mg->mg_ptr; |
437 | } |
462 | } |
438 | |
463 | |
439 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
464 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
465 | |
|
|
466 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
467 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
468 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
440 | |
469 | |
441 | /* the next two functions merely cache the padlists */ |
470 | /* the next two functions merely cache the padlists */ |
442 | static void |
471 | static void |
443 | get_padlist (pTHX_ CV *cv) |
472 | get_padlist (pTHX_ CV *cv) |
444 | { |
473 | { |
… | |
… | |
450 | else |
479 | else |
451 | { |
480 | { |
452 | #if CORO_PREFER_PERL_FUNCTIONS |
481 | #if CORO_PREFER_PERL_FUNCTIONS |
453 | /* this is probably cleaner? but also slower! */ |
482 | /* this is probably cleaner? but also slower! */ |
454 | /* in practise, it seems to be less stable */ |
483 | /* in practise, it seems to be less stable */ |
455 | CV *cp = Perl_cv_clone (cv); |
484 | CV *cp = Perl_cv_clone (aTHX_ cv); |
456 | CvPADLIST (cv) = CvPADLIST (cp); |
485 | CvPADLIST (cv) = CvPADLIST (cp); |
457 | CvPADLIST (cp) = 0; |
486 | CvPADLIST (cp) = 0; |
458 | SvREFCNT_dec (cp); |
487 | SvREFCNT_dec (cp); |
459 | #else |
488 | #else |
460 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
489 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
461 | #endif |
490 | #endif |
462 | } |
491 | } |
463 | } |
492 | } |
464 | |
493 | |
465 | static void |
494 | static void |
… | |
… | |
511 | CvPADLIST (cv) = (AV *)POPs; |
540 | CvPADLIST (cv) = (AV *)POPs; |
512 | } |
541 | } |
513 | |
542 | |
514 | PUTBACK; |
543 | PUTBACK; |
515 | } |
544 | } |
|
|
545 | |
|
|
546 | slf_frame = c->slf_frame; |
|
|
547 | CORO_THROW = c->except; |
516 | } |
548 | } |
517 | |
549 | |
518 | static void |
550 | static void |
519 | save_perl (pTHX_ Coro__State c) |
551 | save_perl (pTHX_ Coro__State c) |
520 | { |
552 | { |
|
|
553 | c->except = CORO_THROW; |
|
|
554 | c->slf_frame = slf_frame; |
|
|
555 | |
521 | { |
556 | { |
522 | dSP; |
557 | dSP; |
523 | I32 cxix = cxstack_ix; |
558 | I32 cxix = cxstack_ix; |
524 | PERL_CONTEXT *ccstk = cxstack; |
559 | PERL_CONTEXT *ccstk = cxstack; |
525 | PERL_SI *top_si = PL_curstackinfo; |
560 | PERL_SI *top_si = PL_curstackinfo; |
… | |
… | |
592 | #undef VAR |
627 | #undef VAR |
593 | } |
628 | } |
594 | } |
629 | } |
595 | |
630 | |
596 | /* |
631 | /* |
597 | * allocate various perl stacks. This is an exact copy |
632 | * allocate various perl stacks. This is almost an exact copy |
598 | * of perl.c:init_stacks, except that it uses less memory |
633 | * of perl.c:init_stacks, except that it uses less memory |
599 | * on the (sometimes correct) assumption that coroutines do |
634 | * on the (sometimes correct) assumption that coroutines do |
600 | * not usually need a lot of stackspace. |
635 | * not usually need a lot of stackspace. |
601 | */ |
636 | */ |
602 | #if CORO_PREFER_PERL_FUNCTIONS |
637 | #if CORO_PREFER_PERL_FUNCTIONS |
603 | # define coro_init_stacks init_stacks |
638 | # define coro_init_stacks(thx) init_stacks () |
604 | #else |
639 | #else |
605 | static void |
640 | static void |
606 | coro_init_stacks (pTHX) |
641 | coro_init_stacks (pTHX) |
607 | { |
642 | { |
608 | PL_curstackinfo = new_stackinfo(32, 8); |
643 | PL_curstackinfo = new_stackinfo(32, 8); |
… | |
… | |
671 | #if !PERL_VERSION_ATLEAST (5,10,0) |
706 | #if !PERL_VERSION_ATLEAST (5,10,0) |
672 | Safefree (PL_retstack); |
707 | Safefree (PL_retstack); |
673 | #endif |
708 | #endif |
674 | } |
709 | } |
675 | |
710 | |
|
|
711 | #define CORO_RSS \ |
|
|
712 | rss += sizeof (SYM (curstackinfo)); \ |
|
|
713 | rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \ |
|
|
714 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \ |
|
|
715 | rss += SYM (tmps_max) * sizeof (SV *); \ |
|
|
716 | rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \ |
|
|
717 | rss += SYM (scopestack_max) * sizeof (I32); \ |
|
|
718 | rss += SYM (savestack_max) * sizeof (ANY); |
|
|
719 | |
676 | static size_t |
720 | static size_t |
677 | coro_rss (pTHX_ struct coro *coro) |
721 | coro_rss (pTHX_ struct coro *coro) |
678 | { |
722 | { |
679 | size_t rss = sizeof (*coro); |
723 | size_t rss = sizeof (*coro); |
680 | |
724 | |
681 | if (coro->mainstack) |
725 | if (coro->mainstack) |
682 | { |
726 | { |
683 | perl_slots tmp_slot; |
|
|
684 | perl_slots *slot; |
|
|
685 | |
|
|
686 | if (coro->flags & CF_RUNNING) |
727 | if (coro->flags & CF_RUNNING) |
687 | { |
728 | { |
688 | slot = &tmp_slot; |
729 | #define SYM(sym) PL_ ## sym |
689 | |
730 | CORO_RSS; |
690 | #define VAR(name,type) slot->name = PL_ ## name; |
|
|
691 | # include "state.h" |
|
|
692 | #undef VAR |
731 | #undef SYM |
693 | } |
732 | } |
694 | else |
733 | else |
695 | slot = coro->slot; |
|
|
696 | |
|
|
697 | if (slot) |
|
|
698 | { |
734 | { |
699 | rss += sizeof (slot->curstackinfo); |
735 | #define SYM(sym) coro->slot->sym |
700 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
736 | CORO_RSS; |
701 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
737 | #undef SYM |
702 | rss += slot->tmps_max * sizeof (SV *); |
|
|
703 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
|
|
704 | rss += slot->scopestack_max * sizeof (I32); |
|
|
705 | rss += slot->savestack_max * sizeof (ANY); |
|
|
706 | |
|
|
707 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
708 | rss += slot->retstack_max * sizeof (OP *); |
|
|
709 | #endif |
|
|
710 | } |
738 | } |
711 | } |
739 | } |
712 | |
740 | |
713 | return rss; |
741 | return rss; |
714 | } |
|
|
715 | |
|
|
716 | /** set stacklevel support **************************************************/ |
|
|
717 | |
|
|
718 | /* we sometimes need to create the effect of pp_set_stacklevel calling us */ |
|
|
719 | #define SSL_HEAD (void)0 |
|
|
720 | /* we somtimes need to create the effect of leaving via pp_set_stacklevel */ |
|
|
721 | #define SSL_TAIL set_stacklevel_tail (aTHX) |
|
|
722 | |
|
|
723 | INLINE void |
|
|
724 | set_stacklevel_tail (pTHX) |
|
|
725 | { |
|
|
726 | dSP; |
|
|
727 | SV **bot = SP; |
|
|
728 | |
|
|
729 | int gimme = GIMME_V; |
|
|
730 | |
|
|
731 | /* make sure we put something on the stack in scalar context */ |
|
|
732 | if (gimme == G_SCALAR) |
|
|
733 | { |
|
|
734 | if (sp == bot) |
|
|
735 | XPUSHs (&PL_sv_undef); |
|
|
736 | |
|
|
737 | SP = bot + 1; |
|
|
738 | } |
|
|
739 | |
|
|
740 | PUTBACK; |
|
|
741 | } |
742 | } |
742 | |
743 | |
743 | /** coroutine stack handling ************************************************/ |
744 | /** coroutine stack handling ************************************************/ |
744 | |
745 | |
745 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
746 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
… | |
… | |
831 | |
832 | |
832 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
833 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
833 | } |
834 | } |
834 | |
835 | |
835 | static void |
836 | static void |
|
|
837 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
|
|
838 | { |
|
|
839 | /* kind of mega-hacky, but works */ |
|
|
840 | ta->next = ta->prev = (struct coro *)ta; |
|
|
841 | } |
|
|
842 | |
|
|
843 | static int |
|
|
844 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
|
|
845 | { |
|
|
846 | return 0; |
|
|
847 | } |
|
|
848 | |
|
|
849 | static int |
|
|
850 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
|
|
851 | { |
|
|
852 | return 1; |
|
|
853 | } |
|
|
854 | |
|
|
855 | static UNOP coro_setup_op; |
|
|
856 | |
|
|
857 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
836 | coro_setup (pTHX_ struct coro *coro) |
858 | coro_setup (pTHX_ struct coro *coro) |
837 | { |
859 | { |
838 | /* |
860 | /* |
839 | * emulate part of the perl startup here. |
861 | * emulate part of the perl startup here. |
840 | */ |
862 | */ |
… | |
… | |
867 | { |
889 | { |
868 | dSP; |
890 | dSP; |
869 | UNOP myop; |
891 | UNOP myop; |
870 | |
892 | |
871 | Zero (&myop, 1, UNOP); |
893 | Zero (&myop, 1, UNOP); |
872 | myop.op_next = Nullop; |
894 | myop.op_next = Nullop; |
|
|
895 | myop.op_type = OP_ENTERSUB; |
873 | myop.op_flags = OPf_WANT_VOID; |
896 | myop.op_flags = OPf_WANT_VOID; |
874 | |
897 | |
875 | PUSHMARK (SP); |
898 | PUSHMARK (SP); |
876 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
899 | PUSHs ((SV *)coro->startcv); |
877 | PUTBACK; |
900 | PUTBACK; |
878 | PL_op = (OP *)&myop; |
901 | PL_op = (OP *)&myop; |
879 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
902 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
880 | SPAGAIN; |
|
|
881 | } |
903 | } |
882 | |
904 | |
883 | /* this newly created coroutine might be run on an existing cctx which most |
905 | /* this newly created coroutine might be run on an existing cctx which most |
884 | * likely was suspended in set_stacklevel, called from pp_set_stacklevel, |
906 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
885 | * so we have to emulate entering pp_set_stacklevel here. |
|
|
886 | */ |
907 | */ |
887 | SSL_HEAD; |
908 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
|
|
909 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
910 | |
|
|
911 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
|
|
912 | coro_setup_op.op_next = PL_op; |
|
|
913 | coro_setup_op.op_type = OP_ENTERSUB; |
|
|
914 | coro_setup_op.op_ppaddr = pp_slf; |
|
|
915 | /* no flags etc. required, as an init function won't be called */ |
|
|
916 | |
|
|
917 | PL_op = (OP *)&coro_setup_op; |
|
|
918 | |
|
|
919 | /* copy throw, in case it was set before coro_setup */ |
|
|
920 | CORO_THROW = coro->except; |
888 | } |
921 | } |
889 | |
922 | |
890 | static void |
923 | static void |
891 | coro_destruct (pTHX_ struct coro *coro) |
924 | coro_destruct (pTHX_ struct coro *coro) |
892 | { |
925 | { |
… | |
… | |
916 | |
949 | |
917 | SvREFCNT_dec (PL_diehook); |
950 | SvREFCNT_dec (PL_diehook); |
918 | SvREFCNT_dec (PL_warnhook); |
951 | SvREFCNT_dec (PL_warnhook); |
919 | |
952 | |
920 | SvREFCNT_dec (coro->saved_deffh); |
953 | SvREFCNT_dec (coro->saved_deffh); |
921 | SvREFCNT_dec (coro->throw); |
954 | SvREFCNT_dec (coro->rouse_cb); |
|
|
955 | SvREFCNT_dec (coro->invoke_cb); |
|
|
956 | SvREFCNT_dec (coro->invoke_av); |
922 | |
957 | |
923 | coro_destruct_stacks (aTHX); |
958 | coro_destruct_stacks (aTHX); |
924 | } |
959 | } |
925 | |
960 | |
926 | INLINE void |
961 | INLINE void |
… | |
… | |
936 | static int |
971 | static int |
937 | runops_trace (pTHX) |
972 | runops_trace (pTHX) |
938 | { |
973 | { |
939 | COP *oldcop = 0; |
974 | COP *oldcop = 0; |
940 | int oldcxix = -2; |
975 | int oldcxix = -2; |
941 | struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */ |
|
|
942 | coro_cctx *cctx = coro->cctx; |
|
|
943 | |
976 | |
944 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
977 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
945 | { |
978 | { |
946 | PERL_ASYNC_CHECK (); |
979 | PERL_ASYNC_CHECK (); |
947 | |
980 | |
948 | if (cctx->flags & CC_TRACE_ALL) |
981 | if (cctx_current->flags & CC_TRACE_ALL) |
949 | { |
982 | { |
950 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
983 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
951 | { |
984 | { |
952 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
985 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
953 | SV **bot, **top; |
986 | SV **bot, **top; |
954 | AV *av = newAV (); /* return values */ |
987 | AV *av = newAV (); /* return values */ |
955 | SV **cb; |
988 | SV **cb; |
… | |
… | |
992 | |
1025 | |
993 | if (PL_curcop != &PL_compiling) |
1026 | if (PL_curcop != &PL_compiling) |
994 | { |
1027 | { |
995 | SV **cb; |
1028 | SV **cb; |
996 | |
1029 | |
997 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1030 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
998 | { |
1031 | { |
999 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1032 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1000 | |
1033 | |
1001 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1034 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1002 | { |
1035 | { |
1003 | runops_proc_t old_runops = PL_runops; |
|
|
1004 | dSP; |
1036 | dSP; |
1005 | GV *gv = CvGV (cx->blk_sub.cv); |
1037 | GV *gv = CvGV (cx->blk_sub.cv); |
1006 | SV *fullname = sv_2mortal (newSV (0)); |
1038 | SV *fullname = sv_2mortal (newSV (0)); |
1007 | |
1039 | |
1008 | if (isGV (gv)) |
1040 | if (isGV (gv)) |
… | |
… | |
1013 | SAVETMPS; |
1045 | SAVETMPS; |
1014 | EXTEND (SP, 3); |
1046 | EXTEND (SP, 3); |
1015 | PUSHMARK (SP); |
1047 | PUSHMARK (SP); |
1016 | PUSHs (&PL_sv_yes); |
1048 | PUSHs (&PL_sv_yes); |
1017 | PUSHs (fullname); |
1049 | PUSHs (fullname); |
1018 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1050 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1019 | PUTBACK; |
1051 | PUTBACK; |
1020 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1052 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1021 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1053 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1022 | SPAGAIN; |
1054 | SPAGAIN; |
1023 | FREETMPS; |
1055 | FREETMPS; |
… | |
… | |
1026 | } |
1058 | } |
1027 | |
1059 | |
1028 | oldcxix = cxstack_ix; |
1060 | oldcxix = cxstack_ix; |
1029 | } |
1061 | } |
1030 | |
1062 | |
1031 | if (cctx->flags & CC_TRACE_LINE) |
1063 | if (cctx_current->flags & CC_TRACE_LINE) |
1032 | { |
1064 | { |
1033 | dSP; |
1065 | dSP; |
1034 | |
1066 | |
1035 | PL_runops = RUNOPS_DEFAULT; |
1067 | PL_runops = RUNOPS_DEFAULT; |
1036 | ENTER; |
1068 | ENTER; |
… | |
… | |
1055 | |
1087 | |
1056 | TAINT_NOT; |
1088 | TAINT_NOT; |
1057 | return 0; |
1089 | return 0; |
1058 | } |
1090 | } |
1059 | |
1091 | |
|
|
1092 | static struct CoroSLF cctx_ssl_frame; |
|
|
1093 | |
1060 | static void |
1094 | static void |
1061 | prepare_set_stacklevel (struct transfer_args *ta, struct coro_cctx *cctx) |
1095 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1062 | { |
1096 | { |
1063 | ta->prev = (struct coro *)cctx; |
|
|
1064 | ta->next = 0; |
1097 | ta->prev = 0; |
1065 | } |
1098 | } |
1066 | |
1099 | |
1067 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1100 | static int |
1068 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1101 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1069 | /* during execution of a perl program */ |
1102 | { |
1070 | /* also initialises PL_top_env */ |
1103 | *frame = cctx_ssl_frame; |
|
|
1104 | |
|
|
1105 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
|
|
1106 | } |
|
|
1107 | |
|
|
1108 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1071 | static void NOINLINE |
1109 | static void NOINLINE |
1072 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1110 | cctx_prepare (pTHX) |
1073 | { |
1111 | { |
1074 | dSP; |
|
|
1075 | UNOP myop; |
|
|
1076 | |
|
|
1077 | PL_top_env = &PL_start_env; |
1112 | PL_top_env = &PL_start_env; |
1078 | |
1113 | |
1079 | if (cctx->flags & CC_TRACE) |
1114 | if (cctx_current->flags & CC_TRACE) |
1080 | PL_runops = runops_trace; |
1115 | PL_runops = runops_trace; |
1081 | |
1116 | |
1082 | Zero (&myop, 1, UNOP); |
1117 | /* we already must be executing an SLF op, there is no other valid way |
1083 | myop.op_next = PL_op; |
1118 | * that can lead to creation of a new cctx */ |
1084 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
1119 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
|
|
1120 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1085 | |
1121 | |
1086 | PUSHMARK (SP); |
1122 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1087 | EXTEND (SP, 2); |
1123 | cctx_ssl_frame = slf_frame; |
1088 | PUSHs (sv_2mortal (newSViv ((IV)cctx))); |
1124 | |
1089 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
1125 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1090 | PUTBACK; |
1126 | slf_frame.check = slf_check_set_stacklevel; |
1091 | PL_op = (OP *)&myop; |
|
|
1092 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1093 | SPAGAIN; |
|
|
1094 | } |
1127 | } |
1095 | |
1128 | |
1096 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1129 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1097 | INLINE void |
1130 | INLINE void |
1098 | transfer_tail (pTHX) |
1131 | transfer_tail (pTHX) |
1099 | { |
1132 | { |
1100 | struct coro *next = (struct coro *)transfer_next; |
|
|
1101 | assert (!(transfer_next = 0)); /* just used for the side effect when asserts are enabled */ |
|
|
1102 | assert (("FATAL: next coroutine was zero in transfer_tail (please report)", next)); |
|
|
1103 | |
|
|
1104 | free_coro_mortal (aTHX); |
1133 | free_coro_mortal (aTHX); |
1105 | UNLOCK; |
|
|
1106 | |
|
|
1107 | if (expect_false (next->throw)) |
|
|
1108 | { |
|
|
1109 | SV *exception = sv_2mortal (next->throw); |
|
|
1110 | |
|
|
1111 | next->throw = 0; |
|
|
1112 | sv_setsv (ERRSV, exception); |
|
|
1113 | croak (0); |
|
|
1114 | } |
|
|
1115 | } |
1134 | } |
1116 | |
1135 | |
1117 | /* |
1136 | /* |
1118 | * this is a _very_ stripped down perl interpreter ;) |
1137 | * this is a _very_ stripped down perl interpreter ;) |
1119 | */ |
1138 | */ |
… | |
… | |
1126 | # endif |
1145 | # endif |
1127 | #endif |
1146 | #endif |
1128 | { |
1147 | { |
1129 | dTHX; |
1148 | dTHX; |
1130 | |
1149 | |
1131 | /* we are the alternative tail to pp_set_stacklevel */ |
1150 | /* normally we would need to skip the entersub here */ |
1132 | /* so do the same things here */ |
1151 | /* not doing so will re-execute it, which is exactly what we want */ |
1133 | SSL_TAIL; |
|
|
1134 | |
|
|
1135 | /* we now skip the op that did lead to transfer() */ |
|
|
1136 | PL_op = PL_op->op_next; |
1152 | /* PL_nop = PL_nop->op_next */ |
1137 | |
1153 | |
1138 | /* inject a fake subroutine call to cctx_init */ |
1154 | /* inject a fake subroutine call to cctx_init */ |
1139 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1155 | cctx_prepare (aTHX); |
1140 | |
1156 | |
1141 | /* cctx_run is the alternative tail of transfer() */ |
1157 | /* cctx_run is the alternative tail of transfer() */ |
1142 | transfer_tail (aTHX); |
1158 | transfer_tail (aTHX); |
1143 | |
1159 | |
1144 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1160 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1145 | PL_restartop = PL_op; |
1161 | PL_restartop = PL_op; |
1146 | perl_run (PL_curinterp); |
1162 | perl_run (PL_curinterp); |
|
|
1163 | /* |
|
|
1164 | * Unfortunately, there is no way to get at the return values of the |
|
|
1165 | * coro body here, as perl_run destroys these |
|
|
1166 | */ |
1147 | |
1167 | |
1148 | /* |
1168 | /* |
1149 | * If perl-run returns we assume exit() was being called or the coro |
1169 | * If perl-run returns we assume exit() was being called or the coro |
1150 | * fell off the end, which seems to be the only valid (non-bug) |
1170 | * fell off the end, which seems to be the only valid (non-bug) |
1151 | * reason for perl_run to return. We try to exit by jumping to the |
1171 | * reason for perl_run to return. We try to exit by jumping to the |
… | |
… | |
1235 | cctx_destroy (coro_cctx *cctx) |
1255 | cctx_destroy (coro_cctx *cctx) |
1236 | { |
1256 | { |
1237 | if (!cctx) |
1257 | if (!cctx) |
1238 | return; |
1258 | return; |
1239 | |
1259 | |
|
|
1260 | assert (cctx != cctx_current);//D temporary |
|
|
1261 | |
1240 | --cctx_count; |
1262 | --cctx_count; |
1241 | coro_destroy (&cctx->cctx); |
1263 | coro_destroy (&cctx->cctx); |
1242 | |
1264 | |
1243 | /* coro_transfer creates new, empty cctx's */ |
1265 | /* coro_transfer creates new, empty cctx's */ |
1244 | if (cctx->sptr) |
1266 | if (cctx->sptr) |
… | |
… | |
1302 | /** coroutine switching *****************************************************/ |
1324 | /** coroutine switching *****************************************************/ |
1303 | |
1325 | |
1304 | static void |
1326 | static void |
1305 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1327 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1306 | { |
1328 | { |
|
|
1329 | /* TODO: throwing up here is considered harmful */ |
|
|
1330 | |
1307 | if (expect_true (prev != next)) |
1331 | if (expect_true (prev != next)) |
1308 | { |
1332 | { |
1309 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1333 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1310 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
1334 | croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,"); |
1311 | |
1335 | |
1312 | if (expect_false (next->flags & CF_RUNNING)) |
1336 | if (expect_false (next->flags & CF_RUNNING)) |
1313 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1337 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
1314 | |
1338 | |
1315 | if (expect_false (next->flags & CF_DESTROYED)) |
1339 | if (expect_false (next->flags & CF_DESTROYED)) |
1316 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1340 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1317 | |
1341 | |
1318 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1342 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1319 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1343 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1320 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
1344 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1321 | #endif |
1345 | #endif |
1322 | } |
1346 | } |
1323 | } |
1347 | } |
1324 | |
1348 | |
1325 | /* always use the TRANSFER macro */ |
1349 | /* always use the TRANSFER macro */ |
1326 | static void NOINLINE |
1350 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1327 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1351 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1328 | { |
1352 | { |
1329 | dSTACKLEVEL; |
1353 | dSTACKLEVEL; |
1330 | |
1354 | |
1331 | /* sometimes transfer is only called to set idle_sp */ |
1355 | /* sometimes transfer is only called to set idle_sp */ |
1332 | if (expect_false (!next)) |
1356 | if (expect_false (!prev)) |
1333 | { |
1357 | { |
1334 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1358 | cctx_current->idle_sp = STACKLEVEL; |
1335 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1359 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1336 | } |
1360 | } |
1337 | else if (expect_true (prev != next)) |
1361 | else if (expect_true (prev != next)) |
1338 | { |
1362 | { |
1339 | coro_cctx *prev__cctx; |
1363 | coro_cctx *cctx_prev; |
1340 | |
1364 | |
1341 | if (expect_false (prev->flags & CF_NEW)) |
1365 | if (expect_false (prev->flags & CF_NEW)) |
1342 | { |
1366 | { |
1343 | /* create a new empty/source context */ |
1367 | /* create a new empty/source context */ |
1344 | prev->cctx = cctx_new_empty (); |
|
|
1345 | prev->flags &= ~CF_NEW; |
1368 | prev->flags &= ~CF_NEW; |
1346 | prev->flags |= CF_RUNNING; |
1369 | prev->flags |= CF_RUNNING; |
1347 | } |
1370 | } |
1348 | |
1371 | |
1349 | prev->flags &= ~CF_RUNNING; |
1372 | prev->flags &= ~CF_RUNNING; |
1350 | next->flags |= CF_RUNNING; |
1373 | next->flags |= CF_RUNNING; |
1351 | |
|
|
1352 | LOCK; |
|
|
1353 | |
1374 | |
1354 | /* first get rid of the old state */ |
1375 | /* first get rid of the old state */ |
1355 | save_perl (aTHX_ prev); |
1376 | save_perl (aTHX_ prev); |
1356 | |
1377 | |
1357 | if (expect_false (next->flags & CF_NEW)) |
1378 | if (expect_false (next->flags & CF_NEW)) |
… | |
… | |
1362 | coro_setup (aTHX_ next); |
1383 | coro_setup (aTHX_ next); |
1363 | } |
1384 | } |
1364 | else |
1385 | else |
1365 | load_perl (aTHX_ next); |
1386 | load_perl (aTHX_ next); |
1366 | |
1387 | |
1367 | prev__cctx = prev->cctx; |
1388 | assert (!prev->cctx);//D temporary |
1368 | |
1389 | |
1369 | /* possibly untie and reuse the cctx */ |
1390 | /* possibly untie and reuse the cctx */ |
1370 | if (expect_true ( |
1391 | if (expect_true ( |
1371 | prev__cctx->idle_sp == STACKLEVEL |
1392 | cctx_current->idle_sp == STACKLEVEL |
1372 | && !(prev__cctx->flags & CC_TRACE) |
1393 | && !(cctx_current->flags & CC_TRACE) |
1373 | && !force_cctx |
1394 | && !force_cctx |
1374 | )) |
1395 | )) |
1375 | { |
1396 | { |
1376 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1397 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1377 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1398 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1378 | |
1399 | |
1379 | prev->cctx = 0; |
|
|
1380 | |
|
|
1381 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1400 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1382 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1401 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1383 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1402 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1384 | if (!next->cctx) |
1403 | if (expect_true (!next->cctx)) |
1385 | next->cctx = cctx_get (aTHX); |
1404 | next->cctx = cctx_get (aTHX); |
1386 | |
1405 | |
1387 | cctx_put (prev__cctx); |
1406 | cctx_put (cctx_current); |
1388 | } |
1407 | } |
|
|
1408 | else |
|
|
1409 | prev->cctx = cctx_current; |
1389 | |
1410 | |
1390 | ++next->usecount; |
1411 | ++next->usecount; |
1391 | |
1412 | |
1392 | if (expect_true (!next->cctx)) |
1413 | cctx_prev = cctx_current; |
1393 | next->cctx = cctx_get (aTHX); |
1414 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1394 | |
1415 | |
1395 | assert (("FATAL: transfer_next already nonzero in Coro (please report)", !transfer_next)); |
1416 | next->cctx = 0; |
1396 | transfer_next = next; |
|
|
1397 | |
1417 | |
1398 | if (expect_false (prev__cctx != next->cctx)) |
1418 | if (expect_false (cctx_prev != cctx_current)) |
1399 | { |
1419 | { |
1400 | prev__cctx->top_env = PL_top_env; |
1420 | cctx_prev->top_env = PL_top_env; |
1401 | PL_top_env = next->cctx->top_env; |
1421 | PL_top_env = cctx_current->top_env; |
1402 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1422 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1403 | } |
1423 | } |
1404 | |
1424 | |
1405 | transfer_tail (aTHX); |
1425 | transfer_tail (aTHX); |
1406 | } |
1426 | } |
1407 | } |
1427 | } |
… | |
… | |
1414 | static int |
1434 | static int |
1415 | coro_state_destroy (pTHX_ struct coro *coro) |
1435 | coro_state_destroy (pTHX_ struct coro *coro) |
1416 | { |
1436 | { |
1417 | if (coro->flags & CF_DESTROYED) |
1437 | if (coro->flags & CF_DESTROYED) |
1418 | return 0; |
1438 | return 0; |
|
|
1439 | |
|
|
1440 | if (coro->on_destroy) |
|
|
1441 | coro->on_destroy (aTHX_ coro); |
1419 | |
1442 | |
1420 | coro->flags |= CF_DESTROYED; |
1443 | coro->flags |= CF_DESTROYED; |
1421 | |
1444 | |
1422 | if (coro->flags & CF_READY) |
1445 | if (coro->flags & CF_READY) |
1423 | { |
1446 | { |
1424 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1447 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1425 | /* alternative: look through all ready queues and remove the coro */ |
1448 | /* alternative: look through all ready queues and remove the coro */ |
1426 | LOCK; |
|
|
1427 | --coro_nready; |
1449 | --coro_nready; |
1428 | UNLOCK; |
|
|
1429 | } |
1450 | } |
1430 | else |
1451 | else |
1431 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1452 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1432 | |
1453 | |
1433 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1454 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1434 | { |
1455 | { |
1435 | struct coro temp; |
1456 | struct coro temp; |
1436 | |
1457 | |
1437 | if (coro->flags & CF_RUNNING) |
1458 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
1438 | croak ("FATAL: tried to destroy currently running coroutine"); |
|
|
1439 | |
1459 | |
1440 | save_perl (aTHX_ &temp); |
1460 | save_perl (aTHX_ &temp); |
1441 | load_perl (aTHX_ coro); |
1461 | load_perl (aTHX_ coro); |
1442 | |
1462 | |
1443 | coro_destruct (aTHX_ coro); |
1463 | coro_destruct (aTHX_ coro); |
… | |
… | |
1446 | |
1466 | |
1447 | coro->slot = 0; |
1467 | coro->slot = 0; |
1448 | } |
1468 | } |
1449 | |
1469 | |
1450 | cctx_destroy (coro->cctx); |
1470 | cctx_destroy (coro->cctx); |
|
|
1471 | SvREFCNT_dec (coro->startcv); |
1451 | SvREFCNT_dec (coro->args); |
1472 | SvREFCNT_dec (coro->args); |
|
|
1473 | SvREFCNT_dec (CORO_THROW); |
1452 | |
1474 | |
1453 | if (coro->next) coro->next->prev = coro->prev; |
1475 | if (coro->next) coro->next->prev = coro->prev; |
1454 | if (coro->prev) coro->prev->next = coro->next; |
1476 | if (coro->prev) coro->prev->next = coro->next; |
1455 | if (coro == coro_first) coro_first = coro->next; |
1477 | if (coro == coro_first) coro_first = coro->next; |
1456 | |
1478 | |
… | |
… | |
1494 | # define MGf_DUP 0 |
1516 | # define MGf_DUP 0 |
1495 | #endif |
1517 | #endif |
1496 | }; |
1518 | }; |
1497 | |
1519 | |
1498 | static void |
1520 | static void |
1499 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1521 | prepare_transfer (pTHX_ struct coro_transfer_args *ta, SV *prev_sv, SV *next_sv) |
1500 | { |
1522 | { |
1501 | ta->prev = SvSTATE (prev_sv); |
1523 | ta->prev = SvSTATE (prev_sv); |
1502 | ta->next = SvSTATE (next_sv); |
1524 | ta->next = SvSTATE (next_sv); |
1503 | TRANSFER_CHECK (*ta); |
1525 | TRANSFER_CHECK (*ta); |
1504 | } |
1526 | } |
1505 | |
1527 | |
1506 | static void |
1528 | static void |
1507 | api_transfer (SV *prev_sv, SV *next_sv) |
1529 | api_transfer (pTHX_ SV *prev_sv, SV *next_sv) |
1508 | { |
1530 | { |
1509 | dTHX; |
|
|
1510 | struct transfer_args ta; |
1531 | struct coro_transfer_args ta; |
1511 | |
1532 | |
1512 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1533 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1513 | TRANSFER (ta, 1); |
1534 | TRANSFER (ta, 1); |
1514 | } |
1535 | } |
1515 | |
1536 | |
|
|
1537 | /*****************************************************************************/ |
|
|
1538 | /* gensub: simple closure generation utility */ |
|
|
1539 | |
|
|
1540 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1541 | |
|
|
1542 | /* create a closure from XS, returns a code reference */ |
|
|
1543 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1544 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1545 | static SV * |
|
|
1546 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1547 | { |
|
|
1548 | CV *cv = (CV *)newSV (0); |
|
|
1549 | |
|
|
1550 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1551 | |
|
|
1552 | CvANON_on (cv); |
|
|
1553 | CvISXSUB_on (cv); |
|
|
1554 | CvXSUB (cv) = xsub; |
|
|
1555 | GENSUB_ARG = arg; |
|
|
1556 | |
|
|
1557 | return newRV_noinc ((SV *)cv); |
|
|
1558 | } |
|
|
1559 | |
1516 | /** Coro ********************************************************************/ |
1560 | /** Coro ********************************************************************/ |
1517 | |
1561 | |
1518 | static void |
1562 | INLINE void |
1519 | coro_enq (pTHX_ SV *coro_sv) |
1563 | coro_enq (pTHX_ struct coro *coro) |
1520 | { |
1564 | { |
1521 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1565 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1522 | } |
1566 | } |
1523 | |
1567 | |
1524 | static SV * |
1568 | INLINE SV * |
1525 | coro_deq (pTHX) |
1569 | coro_deq (pTHX) |
1526 | { |
1570 | { |
1527 | int prio; |
1571 | int prio; |
1528 | |
1572 | |
1529 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1573 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1532 | |
1576 | |
1533 | return 0; |
1577 | return 0; |
1534 | } |
1578 | } |
1535 | |
1579 | |
1536 | static int |
1580 | static int |
1537 | api_ready (SV *coro_sv) |
1581 | api_ready (pTHX_ SV *coro_sv) |
1538 | { |
1582 | { |
1539 | dTHX; |
|
|
1540 | struct coro *coro; |
1583 | struct coro *coro; |
1541 | SV *sv_hook; |
1584 | SV *sv_hook; |
1542 | void (*xs_hook)(void); |
1585 | void (*xs_hook)(void); |
1543 | |
1586 | |
1544 | if (SvROK (coro_sv)) |
1587 | if (SvROK (coro_sv)) |
… | |
… | |
1549 | if (coro->flags & CF_READY) |
1592 | if (coro->flags & CF_READY) |
1550 | return 0; |
1593 | return 0; |
1551 | |
1594 | |
1552 | coro->flags |= CF_READY; |
1595 | coro->flags |= CF_READY; |
1553 | |
1596 | |
1554 | LOCK; |
|
|
1555 | |
|
|
1556 | sv_hook = coro_nready ? 0 : coro_readyhook; |
1597 | sv_hook = coro_nready ? 0 : coro_readyhook; |
1557 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
1598 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
1558 | |
1599 | |
1559 | coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv)); |
1600 | coro_enq (aTHX_ coro); |
1560 | ++coro_nready; |
1601 | ++coro_nready; |
1561 | |
1602 | |
1562 | UNLOCK; |
|
|
1563 | |
|
|
1564 | if (sv_hook) |
1603 | if (sv_hook) |
1565 | { |
1604 | { |
1566 | dSP; |
1605 | dSP; |
1567 | |
1606 | |
1568 | ENTER; |
1607 | ENTER; |
1569 | SAVETMPS; |
1608 | SAVETMPS; |
1570 | |
1609 | |
1571 | PUSHMARK (SP); |
1610 | PUSHMARK (SP); |
1572 | PUTBACK; |
1611 | PUTBACK; |
1573 | call_sv (sv_hook, G_DISCARD); |
1612 | call_sv (sv_hook, G_VOID | G_DISCARD); |
1574 | SPAGAIN; |
|
|
1575 | |
1613 | |
1576 | FREETMPS; |
1614 | FREETMPS; |
1577 | LEAVE; |
1615 | LEAVE; |
1578 | } |
1616 | } |
1579 | |
1617 | |
… | |
… | |
1582 | |
1620 | |
1583 | return 1; |
1621 | return 1; |
1584 | } |
1622 | } |
1585 | |
1623 | |
1586 | static int |
1624 | static int |
1587 | api_is_ready (SV *coro_sv) |
1625 | api_is_ready (pTHX_ SV *coro_sv) |
1588 | { |
1626 | { |
1589 | dTHX; |
|
|
1590 | |
|
|
1591 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1627 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1592 | } |
1628 | } |
1593 | |
1629 | |
|
|
1630 | /* expects to own a reference to next->hv */ |
1594 | INLINE void |
1631 | INLINE void |
|
|
1632 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
|
|
1633 | { |
|
|
1634 | SV *prev_sv = SvRV (coro_current); |
|
|
1635 | |
|
|
1636 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1637 | ta->next = next; |
|
|
1638 | |
|
|
1639 | TRANSFER_CHECK (*ta); |
|
|
1640 | |
|
|
1641 | SvRV_set (coro_current, (SV *)next->hv); |
|
|
1642 | |
|
|
1643 | free_coro_mortal (aTHX); |
|
|
1644 | coro_mortal = prev_sv; |
|
|
1645 | } |
|
|
1646 | |
|
|
1647 | static void |
1595 | prepare_schedule (pTHX_ struct transfer_args *ta) |
1648 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1596 | { |
1649 | { |
1597 | SV *prev_sv, *next_sv; |
|
|
1598 | |
|
|
1599 | for (;;) |
1650 | for (;;) |
1600 | { |
1651 | { |
1601 | LOCK; |
|
|
1602 | next_sv = coro_deq (aTHX); |
1652 | SV *next_sv = coro_deq (aTHX); |
1603 | |
1653 | |
1604 | /* nothing to schedule: call the idle handler */ |
|
|
1605 | if (expect_false (!next_sv)) |
1654 | if (expect_true (next_sv)) |
1606 | { |
1655 | { |
|
|
1656 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1657 | |
|
|
1658 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1659 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1660 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
|
|
1661 | else |
|
|
1662 | { |
|
|
1663 | next->flags &= ~CF_READY; |
|
|
1664 | --coro_nready; |
|
|
1665 | |
|
|
1666 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1667 | break; |
|
|
1668 | } |
|
|
1669 | } |
|
|
1670 | else |
|
|
1671 | { |
|
|
1672 | /* nothing to schedule: call the idle handler */ |
1607 | dSP; |
1673 | dSP; |
1608 | UNLOCK; |
|
|
1609 | |
1674 | |
1610 | ENTER; |
1675 | ENTER; |
1611 | SAVETMPS; |
1676 | SAVETMPS; |
1612 | |
1677 | |
1613 | PUSHMARK (SP); |
1678 | PUSHMARK (SP); |
1614 | PUTBACK; |
1679 | PUTBACK; |
1615 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
1680 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
1616 | SPAGAIN; |
|
|
1617 | |
1681 | |
1618 | FREETMPS; |
1682 | FREETMPS; |
1619 | LEAVE; |
1683 | LEAVE; |
1620 | continue; |
|
|
1621 | } |
1684 | } |
1622 | |
|
|
1623 | ta->next = SvSTATE (next_sv); |
|
|
1624 | |
|
|
1625 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1626 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
|
|
1627 | { |
|
|
1628 | UNLOCK; |
|
|
1629 | SvREFCNT_dec (next_sv); |
|
|
1630 | /* coro_nready has already been taken care of by destroy */ |
|
|
1631 | continue; |
|
|
1632 | } |
|
|
1633 | |
|
|
1634 | --coro_nready; |
|
|
1635 | UNLOCK; |
|
|
1636 | break; |
|
|
1637 | } |
1685 | } |
1638 | |
|
|
1639 | /* free this only after the transfer */ |
|
|
1640 | prev_sv = SvRV (coro_current); |
|
|
1641 | ta->prev = SvSTATE (prev_sv); |
|
|
1642 | TRANSFER_CHECK (*ta); |
|
|
1643 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
|
|
1644 | ta->next->flags &= ~CF_READY; |
|
|
1645 | SvRV_set (coro_current, next_sv); |
|
|
1646 | |
|
|
1647 | LOCK; |
|
|
1648 | free_coro_mortal (aTHX); |
|
|
1649 | coro_mortal = prev_sv; |
|
|
1650 | UNLOCK; |
|
|
1651 | } |
1686 | } |
1652 | |
1687 | |
1653 | INLINE void |
1688 | INLINE void |
1654 | prepare_cede (pTHX_ struct transfer_args *ta) |
1689 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1655 | { |
1690 | { |
1656 | api_ready (coro_current); |
1691 | api_ready (aTHX_ coro_current); |
1657 | prepare_schedule (aTHX_ ta); |
1692 | prepare_schedule (aTHX_ ta); |
1658 | } |
1693 | } |
1659 | |
1694 | |
|
|
1695 | INLINE void |
|
|
1696 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
|
|
1697 | { |
|
|
1698 | SV *prev = SvRV (coro_current); |
|
|
1699 | |
|
|
1700 | if (coro_nready) |
|
|
1701 | { |
|
|
1702 | prepare_schedule (aTHX_ ta); |
|
|
1703 | api_ready (aTHX_ prev); |
|
|
1704 | } |
|
|
1705 | else |
|
|
1706 | prepare_nop (aTHX_ ta); |
|
|
1707 | } |
|
|
1708 | |
|
|
1709 | static void |
|
|
1710 | api_schedule (pTHX) |
|
|
1711 | { |
|
|
1712 | struct coro_transfer_args ta; |
|
|
1713 | |
|
|
1714 | prepare_schedule (aTHX_ &ta); |
|
|
1715 | TRANSFER (ta, 1); |
|
|
1716 | } |
|
|
1717 | |
|
|
1718 | static void |
|
|
1719 | api_schedule_to (pTHX_ SV *coro_sv) |
|
|
1720 | { |
|
|
1721 | struct coro_transfer_args ta; |
|
|
1722 | struct coro *next = SvSTATE (coro_sv); |
|
|
1723 | |
|
|
1724 | SvREFCNT_inc_NN (coro_sv); |
|
|
1725 | prepare_schedule_to (aTHX_ &ta, next); |
|
|
1726 | } |
|
|
1727 | |
1660 | static int |
1728 | static int |
1661 | prepare_cede_notself (pTHX_ struct transfer_args *ta) |
1729 | api_cede (pTHX) |
1662 | { |
1730 | { |
1663 | if (coro_nready) |
1731 | struct coro_transfer_args ta; |
1664 | { |
1732 | |
1665 | SV *prev = SvRV (coro_current); |
|
|
1666 | prepare_schedule (aTHX_ ta); |
1733 | prepare_cede (aTHX_ &ta); |
1667 | api_ready (prev); |
1734 | |
|
|
1735 | if (expect_true (ta.prev != ta.next)) |
|
|
1736 | { |
|
|
1737 | TRANSFER (ta, 1); |
1668 | return 1; |
1738 | return 1; |
1669 | } |
1739 | } |
1670 | else |
1740 | else |
1671 | return 0; |
1741 | return 0; |
1672 | } |
1742 | } |
1673 | |
1743 | |
1674 | static void |
|
|
1675 | api_schedule (void) |
|
|
1676 | { |
|
|
1677 | dTHX; |
|
|
1678 | struct transfer_args ta; |
|
|
1679 | |
|
|
1680 | prepare_schedule (aTHX_ &ta); |
|
|
1681 | TRANSFER (ta, 1); |
|
|
1682 | } |
|
|
1683 | |
|
|
1684 | static int |
1744 | static int |
1685 | api_cede (void) |
1745 | api_cede_notself (pTHX) |
1686 | { |
1746 | { |
1687 | dTHX; |
1747 | if (coro_nready) |
|
|
1748 | { |
1688 | struct transfer_args ta; |
1749 | struct coro_transfer_args ta; |
1689 | |
1750 | |
1690 | prepare_cede (aTHX_ &ta); |
1751 | prepare_cede_notself (aTHX_ &ta); |
1691 | |
|
|
1692 | if (expect_true (ta.prev != ta.next)) |
|
|
1693 | { |
|
|
1694 | TRANSFER (ta, 1); |
1752 | TRANSFER (ta, 1); |
1695 | return 1; |
1753 | return 1; |
1696 | } |
1754 | } |
1697 | else |
1755 | else |
1698 | return 0; |
1756 | return 0; |
1699 | } |
1757 | } |
1700 | |
1758 | |
1701 | static int |
1759 | static void |
1702 | api_cede_notself (void) |
|
|
1703 | { |
|
|
1704 | dTHX; |
|
|
1705 | struct transfer_args ta; |
|
|
1706 | |
|
|
1707 | if (prepare_cede_notself (aTHX_ &ta)) |
|
|
1708 | { |
|
|
1709 | TRANSFER (ta, 1); |
|
|
1710 | return 1; |
|
|
1711 | } |
|
|
1712 | else |
|
|
1713 | return 0; |
|
|
1714 | } |
|
|
1715 | |
|
|
1716 | static void |
|
|
1717 | api_trace (SV *coro_sv, int flags) |
1760 | api_trace (pTHX_ SV *coro_sv, int flags) |
1718 | { |
1761 | { |
1719 | dTHX; |
|
|
1720 | struct coro *coro = SvSTATE (coro_sv); |
1762 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1763 | |
|
|
1764 | if (coro->flags & CF_RUNNING) |
|
|
1765 | croak ("cannot enable tracing on a running coroutine, caught"); |
1721 | |
1766 | |
1722 | if (flags & CC_TRACE) |
1767 | if (flags & CC_TRACE) |
1723 | { |
1768 | { |
1724 | if (!coro->cctx) |
1769 | if (!coro->cctx) |
1725 | coro->cctx = cctx_new_run (); |
1770 | coro->cctx = cctx_new_run (); |
1726 | else if (!(coro->cctx->flags & CC_TRACE)) |
1771 | else if (!(coro->cctx->flags & CC_TRACE)) |
1727 | croak ("cannot enable tracing on coroutine with custom stack"); |
1772 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1728 | |
1773 | |
1729 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1774 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1730 | } |
1775 | } |
1731 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1776 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1732 | { |
1777 | { |
… | |
… | |
1737 | else |
1782 | else |
1738 | coro->slot->runops = RUNOPS_DEFAULT; |
1783 | coro->slot->runops = RUNOPS_DEFAULT; |
1739 | } |
1784 | } |
1740 | } |
1785 | } |
1741 | |
1786 | |
1742 | #if 0 |
1787 | static void |
|
|
1788 | coro_call_on_destroy (pTHX_ struct coro *coro) |
|
|
1789 | { |
|
|
1790 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
|
|
1791 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1792 | |
|
|
1793 | if (on_destroyp) |
|
|
1794 | { |
|
|
1795 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1796 | |
|
|
1797 | while (AvFILLp (on_destroy) >= 0) |
|
|
1798 | { |
|
|
1799 | dSP; /* don't disturb outer sp */ |
|
|
1800 | SV *cb = av_pop (on_destroy); |
|
|
1801 | |
|
|
1802 | PUSHMARK (SP); |
|
|
1803 | |
|
|
1804 | if (statusp) |
|
|
1805 | { |
|
|
1806 | int i; |
|
|
1807 | AV *status = (AV *)SvRV (*statusp); |
|
|
1808 | EXTEND (SP, AvFILLp (status) + 1); |
|
|
1809 | |
|
|
1810 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1811 | PUSHs (AvARRAY (status)[i]); |
|
|
1812 | } |
|
|
1813 | |
|
|
1814 | PUTBACK; |
|
|
1815 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
|
|
1816 | } |
|
|
1817 | } |
|
|
1818 | } |
|
|
1819 | |
|
|
1820 | static void |
|
|
1821 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1822 | { |
|
|
1823 | int i; |
|
|
1824 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1825 | AV *av = newAV (); |
|
|
1826 | |
|
|
1827 | av_extend (av, items - 1); |
|
|
1828 | for (i = 0; i < items; ++i) |
|
|
1829 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
1830 | |
|
|
1831 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
1832 | |
|
|
1833 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
|
|
1834 | api_ready (aTHX_ sv_manager); |
|
|
1835 | |
|
|
1836 | frame->prepare = prepare_schedule; |
|
|
1837 | frame->check = slf_check_repeat; |
|
|
1838 | } |
|
|
1839 | |
|
|
1840 | /*****************************************************************************/ |
|
|
1841 | /* async pool handler */ |
|
|
1842 | |
1743 | static int |
1843 | static int |
1744 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
1844 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
1745 | { |
1845 | { |
1746 | AV *padlist; |
1846 | HV *hv = (HV *)SvRV (coro_current); |
1747 | AV *av = (AV *)mg->mg_obj; |
1847 | struct coro *coro = (struct coro *)frame->data; |
1748 | |
1848 | |
1749 | abort (); |
1849 | if (!coro->invoke_cb) |
|
|
1850 | return 1; /* loop till we have invoke */ |
|
|
1851 | else |
|
|
1852 | { |
|
|
1853 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
1854 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
1855 | |
|
|
1856 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
1857 | |
|
|
1858 | { |
|
|
1859 | dSP; |
|
|
1860 | XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0; |
|
|
1861 | PUTBACK; |
|
|
1862 | } |
|
|
1863 | |
|
|
1864 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
1865 | GvAV (PL_defgv) = coro->invoke_av; |
|
|
1866 | coro->invoke_av = 0; |
|
|
1867 | |
|
|
1868 | return 0; |
|
|
1869 | } |
|
|
1870 | } |
|
|
1871 | |
|
|
1872 | static void |
|
|
1873 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1874 | { |
|
|
1875 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1876 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
1877 | |
|
|
1878 | if (expect_true (coro->saved_deffh)) |
|
|
1879 | { |
|
|
1880 | /* subsequent iteration */ |
|
|
1881 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
1882 | coro->saved_deffh = 0; |
|
|
1883 | |
|
|
1884 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
1885 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1886 | { |
|
|
1887 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
|
|
1888 | coro->invoke_av = newAV (); |
|
|
1889 | |
|
|
1890 | frame->prepare = prepare_nop; |
|
|
1891 | } |
|
|
1892 | else |
|
|
1893 | { |
|
|
1894 | av_clear (GvAV (PL_defgv)); |
|
|
1895 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
|
|
1896 | |
|
|
1897 | coro->prio = 0; |
|
|
1898 | |
|
|
1899 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
1900 | api_trace (aTHX_ coro_current, 0); |
|
|
1901 | |
|
|
1902 | frame->prepare = prepare_schedule; |
|
|
1903 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
|
|
1904 | } |
|
|
1905 | } |
|
|
1906 | else |
|
|
1907 | { |
|
|
1908 | /* first iteration, simply fall through */ |
|
|
1909 | frame->prepare = prepare_nop; |
|
|
1910 | } |
|
|
1911 | |
|
|
1912 | frame->check = slf_check_pool_handler; |
|
|
1913 | frame->data = (void *)coro; |
|
|
1914 | } |
|
|
1915 | |
|
|
1916 | /*****************************************************************************/ |
|
|
1917 | /* rouse callback */ |
|
|
1918 | |
|
|
1919 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
|
|
1920 | |
|
|
1921 | static void |
|
|
1922 | coro_rouse_callback (pTHX_ CV *cv) |
|
|
1923 | { |
|
|
1924 | dXSARGS; |
|
|
1925 | SV *data = (SV *)GENSUB_ARG; |
|
|
1926 | |
|
|
1927 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
1928 | { |
|
|
1929 | /* first call, set args */ |
|
|
1930 | AV *av = newAV (); |
|
|
1931 | SV *coro = SvRV (data); |
|
|
1932 | |
|
|
1933 | SvRV_set (data, (SV *)av); |
|
|
1934 | api_ready (aTHX_ coro); |
|
|
1935 | SvREFCNT_dec (coro); |
|
|
1936 | |
|
|
1937 | /* better take a full copy of the arguments */ |
|
|
1938 | while (items--) |
|
|
1939 | av_store (av, items, newSVsv (ST (items))); |
|
|
1940 | } |
|
|
1941 | |
|
|
1942 | XSRETURN_EMPTY; |
|
|
1943 | } |
|
|
1944 | |
|
|
1945 | static int |
|
|
1946 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
|
|
1947 | { |
|
|
1948 | SV *data = (SV *)frame->data; |
|
|
1949 | |
|
|
1950 | if (CORO_THROW) |
|
|
1951 | return 0; |
|
|
1952 | |
|
|
1953 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
1954 | return 1; |
|
|
1955 | |
|
|
1956 | /* now push all results on the stack */ |
|
|
1957 | { |
|
|
1958 | dSP; |
|
|
1959 | AV *av = (AV *)SvRV (data); |
|
|
1960 | int i; |
|
|
1961 | |
|
|
1962 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
1963 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
1964 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
|
|
1965 | |
|
|
1966 | /* we have stolen the elements, so ste length to zero and free */ |
|
|
1967 | AvFILLp (av) = -1; |
|
|
1968 | av_undef (av); |
|
|
1969 | |
|
|
1970 | PUTBACK; |
|
|
1971 | } |
1750 | |
1972 | |
1751 | return 0; |
1973 | return 0; |
1752 | } |
1974 | } |
1753 | |
1975 | |
1754 | static MGVTBL coro_gensub_vtbl = { |
1976 | static void |
1755 | 0, 0, 0, 0, |
1977 | slf_init_rouse_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1756 | coro_gensub_free |
1978 | { |
1757 | }; |
1979 | SV *cb; |
1758 | #endif |
1980 | |
|
|
1981 | if (items) |
|
|
1982 | cb = arg [0]; |
|
|
1983 | else |
|
|
1984 | { |
|
|
1985 | struct coro *coro = SvSTATE_current; |
|
|
1986 | |
|
|
1987 | if (!coro->rouse_cb) |
|
|
1988 | croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,"); |
|
|
1989 | |
|
|
1990 | cb = sv_2mortal (coro->rouse_cb); |
|
|
1991 | coro->rouse_cb = 0; |
|
|
1992 | } |
|
|
1993 | |
|
|
1994 | if (!SvROK (cb) |
|
|
1995 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
|
|
1996 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
|
|
1997 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
|
|
1998 | |
|
|
1999 | { |
|
|
2000 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
|
|
2001 | SV *data = (SV *)GENSUB_ARG; |
|
|
2002 | |
|
|
2003 | frame->data = (void *)data; |
|
|
2004 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
|
|
2005 | frame->check = slf_check_rouse_wait; |
|
|
2006 | } |
|
|
2007 | } |
|
|
2008 | |
|
|
2009 | static SV * |
|
|
2010 | coro_new_rouse_cb (pTHX) |
|
|
2011 | { |
|
|
2012 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2013 | struct coro *coro = SvSTATE_hv (hv); |
|
|
2014 | SV *data = newRV_inc ((SV *)hv); |
|
|
2015 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
|
|
2016 | |
|
|
2017 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
|
|
2018 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
|
|
2019 | |
|
|
2020 | SvREFCNT_dec (coro->rouse_cb); |
|
|
2021 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
|
|
2022 | |
|
|
2023 | return cb; |
|
|
2024 | } |
|
|
2025 | |
|
|
2026 | /*****************************************************************************/ |
|
|
2027 | /* schedule-like-function opcode (SLF) */ |
|
|
2028 | |
|
|
2029 | static UNOP slf_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
2030 | static const CV *slf_cv; |
|
|
2031 | static SV **slf_argv; |
|
|
2032 | static int slf_argc, slf_arga; /* count, allocated */ |
|
|
2033 | static I32 slf_ax; /* top of stack, for restore */ |
|
|
2034 | |
|
|
2035 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
2036 | /* recreate the stack frame as perl will on following calls */ |
|
|
2037 | /* since entersub cleared the stack */ |
|
|
2038 | static OP * |
|
|
2039 | pp_restore (pTHX) |
|
|
2040 | { |
|
|
2041 | int i; |
|
|
2042 | SV **SP = PL_stack_base + slf_ax; |
|
|
2043 | |
|
|
2044 | PUSHMARK (SP); |
|
|
2045 | |
|
|
2046 | EXTEND (SP, slf_argc + 1); |
|
|
2047 | |
|
|
2048 | for (i = 0; i < slf_argc; ++i) |
|
|
2049 | PUSHs (sv_2mortal (slf_argv [i])); |
|
|
2050 | |
|
|
2051 | PUSHs ((SV *)CvGV (slf_cv)); |
|
|
2052 | |
|
|
2053 | RETURNOP (slf_restore.op_first); |
|
|
2054 | } |
|
|
2055 | |
|
|
2056 | static void |
|
|
2057 | slf_prepare_transfer (pTHX_ struct coro_transfer_args *ta) |
|
|
2058 | { |
|
|
2059 | SV **arg = (SV **)slf_frame.data; |
|
|
2060 | |
|
|
2061 | prepare_transfer (aTHX_ ta, arg [0], arg [1]); |
|
|
2062 | } |
|
|
2063 | |
|
|
2064 | static void |
|
|
2065 | slf_init_transfer (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2066 | { |
|
|
2067 | if (items != 2) |
|
|
2068 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d,", items); |
|
|
2069 | |
|
|
2070 | frame->prepare = slf_prepare_transfer; |
|
|
2071 | frame->check = slf_check_nop; |
|
|
2072 | frame->data = (void *)arg; /* let's hope it will stay valid */ |
|
|
2073 | } |
|
|
2074 | |
|
|
2075 | static void |
|
|
2076 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2077 | { |
|
|
2078 | frame->prepare = prepare_schedule; |
|
|
2079 | frame->check = slf_check_nop; |
|
|
2080 | } |
|
|
2081 | |
|
|
2082 | static void |
|
|
2083 | slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta) |
|
|
2084 | { |
|
|
2085 | struct coro *next = (struct coro *)slf_frame.data; |
|
|
2086 | |
|
|
2087 | SvREFCNT_inc_NN (next->hv); |
|
|
2088 | prepare_schedule_to (aTHX_ ta, next); |
|
|
2089 | } |
|
|
2090 | |
|
|
2091 | static void |
|
|
2092 | slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2093 | { |
|
|
2094 | if (!items) |
|
|
2095 | croak ("Coro::schedule_to expects a coroutine argument, caught"); |
|
|
2096 | |
|
|
2097 | frame->data = (void *)SvSTATE (arg [0]); |
|
|
2098 | frame->prepare = slf_prepare_schedule_to; |
|
|
2099 | frame->check = slf_check_nop; |
|
|
2100 | } |
|
|
2101 | |
|
|
2102 | static void |
|
|
2103 | slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2104 | { |
|
|
2105 | api_ready (aTHX_ SvRV (coro_current)); |
|
|
2106 | |
|
|
2107 | slf_init_schedule_to (aTHX_ frame, cv, arg, items); |
|
|
2108 | } |
|
|
2109 | |
|
|
2110 | static void |
|
|
2111 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2112 | { |
|
|
2113 | frame->prepare = prepare_cede; |
|
|
2114 | frame->check = slf_check_nop; |
|
|
2115 | } |
|
|
2116 | |
|
|
2117 | static void |
|
|
2118 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2119 | { |
|
|
2120 | frame->prepare = prepare_cede_notself; |
|
|
2121 | frame->check = slf_check_nop; |
|
|
2122 | } |
|
|
2123 | |
|
|
2124 | /* |
|
|
2125 | * these not obviously related functions are all rolled into one |
|
|
2126 | * function to increase chances that they all will call transfer with the same |
|
|
2127 | * stack offset |
|
|
2128 | * SLF stands for "schedule-like-function". |
|
|
2129 | */ |
|
|
2130 | static OP * |
|
|
2131 | pp_slf (pTHX) |
|
|
2132 | { |
|
|
2133 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
|
|
2134 | |
|
|
2135 | /* set up the slf frame, unless it has already been set-up */ |
|
|
2136 | /* the latter happens when a new coro has been started */ |
|
|
2137 | /* or when a new cctx was attached to an existing coroutine */ |
|
|
2138 | if (expect_true (!slf_frame.prepare)) |
|
|
2139 | { |
|
|
2140 | /* first iteration */ |
|
|
2141 | dSP; |
|
|
2142 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
2143 | int items = SP - arg; /* args without function object */ |
|
|
2144 | SV *gv = *sp; |
|
|
2145 | |
|
|
2146 | /* do a quick consistency check on the "function" object, and if it isn't */ |
|
|
2147 | /* for us, divert to the real entersub */ |
|
|
2148 | if (SvTYPE (gv) != SVt_PVGV |
|
|
2149 | || !GvCV (gv) |
|
|
2150 | || !(CvFLAGS (GvCV (gv)) & CVf_SLF)) |
|
|
2151 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
2152 | |
|
|
2153 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
2154 | { |
|
|
2155 | /* ampersand-form of call, use @_ instead of stack */ |
|
|
2156 | AV *av = GvAV (PL_defgv); |
|
|
2157 | arg = AvARRAY (av); |
|
|
2158 | items = AvFILLp (av) + 1; |
|
|
2159 | } |
|
|
2160 | |
|
|
2161 | /* now call the init function, which needs to set up slf_frame */ |
|
|
2162 | ((coro_slf_cb)CvXSUBANY (GvCV (gv)).any_ptr) |
|
|
2163 | (aTHX_ &slf_frame, GvCV (gv), arg, items); |
|
|
2164 | |
|
|
2165 | /* pop args */ |
|
|
2166 | SP = PL_stack_base + POPMARK; |
|
|
2167 | |
|
|
2168 | PUTBACK; |
|
|
2169 | } |
|
|
2170 | |
|
|
2171 | /* now that we have a slf_frame, interpret it! */ |
|
|
2172 | /* we use a callback system not to make the code needlessly */ |
|
|
2173 | /* complicated, but so we can run multiple perl coros from one cctx */ |
|
|
2174 | |
|
|
2175 | do |
|
|
2176 | { |
|
|
2177 | struct coro_transfer_args ta; |
|
|
2178 | |
|
|
2179 | slf_frame.prepare (aTHX_ &ta); |
|
|
2180 | TRANSFER (ta, 0); |
|
|
2181 | |
|
|
2182 | checkmark = PL_stack_sp - PL_stack_base; |
|
|
2183 | } |
|
|
2184 | while (slf_frame.check (aTHX_ &slf_frame)); |
|
|
2185 | |
|
|
2186 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
|
|
2187 | |
|
|
2188 | /* exception handling */ |
|
|
2189 | if (expect_false (CORO_THROW)) |
|
|
2190 | { |
|
|
2191 | SV *exception = sv_2mortal (CORO_THROW); |
|
|
2192 | |
|
|
2193 | CORO_THROW = 0; |
|
|
2194 | sv_setsv (ERRSV, exception); |
|
|
2195 | croak (0); |
|
|
2196 | } |
|
|
2197 | |
|
|
2198 | /* return value handling - mostly like entersub */ |
|
|
2199 | /* make sure we put something on the stack in scalar context */ |
|
|
2200 | if (GIMME_V == G_SCALAR) |
|
|
2201 | { |
|
|
2202 | dSP; |
|
|
2203 | SV **bot = PL_stack_base + checkmark; |
|
|
2204 | |
|
|
2205 | if (sp == bot) /* too few, push undef */ |
|
|
2206 | bot [1] = &PL_sv_undef; |
|
|
2207 | else if (sp != bot + 1) /* too many, take last one */ |
|
|
2208 | bot [1] = *sp; |
|
|
2209 | |
|
|
2210 | SP = bot + 1; |
|
|
2211 | |
|
|
2212 | PUTBACK; |
|
|
2213 | } |
|
|
2214 | |
|
|
2215 | return NORMAL; |
|
|
2216 | } |
|
|
2217 | |
|
|
2218 | static void |
|
|
2219 | api_execute_slf (pTHX_ CV *cv, coro_slf_cb init_cb, I32 ax) |
|
|
2220 | { |
|
|
2221 | int i; |
|
|
2222 | SV **arg = PL_stack_base + ax; |
|
|
2223 | int items = PL_stack_sp - arg + 1; |
|
|
2224 | |
|
|
2225 | assert (("FATAL: SLF call with illegal CV value", !CvANON (cv))); |
|
|
2226 | |
|
|
2227 | if (PL_op->op_ppaddr != PL_ppaddr [OP_ENTERSUB] |
|
|
2228 | && PL_op->op_ppaddr != pp_slf) |
|
|
2229 | croak ("FATAL: Coro SLF calls can only be made normally, not via goto or any other means, caught"); |
|
|
2230 | |
|
|
2231 | CvFLAGS (cv) |= CVf_SLF; |
|
|
2232 | CvXSUBANY (cv).any_ptr = (void *)init_cb; |
|
|
2233 | slf_cv = cv; |
|
|
2234 | |
|
|
2235 | /* we patch the op, and then re-run the whole call */ |
|
|
2236 | /* we have to put the same argument on the stack for this to work */ |
|
|
2237 | /* and this will be done by pp_restore */ |
|
|
2238 | slf_restore.op_next = (OP *)&slf_restore; |
|
|
2239 | slf_restore.op_type = OP_CUSTOM; |
|
|
2240 | slf_restore.op_ppaddr = pp_restore; |
|
|
2241 | slf_restore.op_first = PL_op; |
|
|
2242 | |
|
|
2243 | slf_ax = ax - 1; /* undo the ax++ inside dAXMARK */ |
|
|
2244 | |
|
|
2245 | if (PL_op->op_flags & OPf_STACKED) |
|
|
2246 | { |
|
|
2247 | if (items > slf_arga) |
|
|
2248 | { |
|
|
2249 | slf_arga = items; |
|
|
2250 | free (slf_argv); |
|
|
2251 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
|
|
2252 | } |
|
|
2253 | |
|
|
2254 | slf_argc = items; |
|
|
2255 | |
|
|
2256 | for (i = 0; i < items; ++i) |
|
|
2257 | slf_argv [i] = SvREFCNT_inc (arg [i]); |
|
|
2258 | } |
|
|
2259 | else |
|
|
2260 | slf_argc = 0; |
|
|
2261 | |
|
|
2262 | PL_op->op_ppaddr = pp_slf; |
|
|
2263 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
|
|
2264 | |
|
|
2265 | PL_op = (OP *)&slf_restore; |
|
|
2266 | } |
1759 | |
2267 | |
1760 | /*****************************************************************************/ |
2268 | /*****************************************************************************/ |
1761 | /* PerlIO::cede */ |
2269 | /* PerlIO::cede */ |
1762 | |
2270 | |
1763 | typedef struct |
2271 | typedef struct |
… | |
… | |
1791 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2299 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
1792 | double now = nvtime (); |
2300 | double now = nvtime (); |
1793 | |
2301 | |
1794 | if (now >= self->next) |
2302 | if (now >= self->next) |
1795 | { |
2303 | { |
1796 | api_cede (); |
2304 | api_cede (aTHX); |
1797 | self->next = now + self->every; |
2305 | self->next = now + self->every; |
1798 | } |
2306 | } |
1799 | |
2307 | |
1800 | return PerlIOBuf_flush (aTHX_ f); |
2308 | return PerlIOBuf_flush (aTHX_ f); |
1801 | } |
2309 | } |
… | |
… | |
1831 | PerlIOBuf_get_cnt, |
2339 | PerlIOBuf_get_cnt, |
1832 | PerlIOBuf_set_ptrcnt, |
2340 | PerlIOBuf_set_ptrcnt, |
1833 | }; |
2341 | }; |
1834 | |
2342 | |
1835 | /*****************************************************************************/ |
2343 | /*****************************************************************************/ |
|
|
2344 | /* Coro::Semaphore & Coro::Signal */ |
1836 | |
2345 | |
1837 | static const CV *ssl_cv; /* for quick consistency check */ |
|
|
1838 | |
|
|
1839 | static UNOP ssl_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
1840 | static SV *ssl_arg0; |
|
|
1841 | static SV *ssl_arg1; |
|
|
1842 | |
|
|
1843 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
1844 | /* recreate the stack frame as perl will on following calls */ |
|
|
1845 | /* since entersub cleared the stack */ |
|
|
1846 | static OP * |
2346 | static SV * |
1847 | pp_restore (pTHX) |
2347 | coro_waitarray_new (pTHX_ int count) |
1848 | { |
2348 | { |
|
|
2349 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
|
|
2350 | AV *av = newAV (); |
|
|
2351 | SV **ary; |
|
|
2352 | |
|
|
2353 | /* unfortunately, building manually saves memory */ |
|
|
2354 | Newx (ary, 2, SV *); |
|
|
2355 | AvALLOC (av) = ary; |
|
|
2356 | /*AvARRAY (av) = ary;*/ |
|
|
2357 | SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ |
|
|
2358 | AvMAX (av) = 1; |
|
|
2359 | AvFILLp (av) = 0; |
|
|
2360 | ary [0] = newSViv (count); |
|
|
2361 | |
|
|
2362 | return newRV_noinc ((SV *)av); |
|
|
2363 | } |
|
|
2364 | |
|
|
2365 | /* semaphore */ |
|
|
2366 | |
|
|
2367 | static void |
|
|
2368 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
|
|
2369 | { |
|
|
2370 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2371 | IV count = SvIVX (count_sv); |
|
|
2372 | |
|
|
2373 | count += adjust; |
|
|
2374 | SvIVX (count_sv) = count; |
|
|
2375 | |
|
|
2376 | /* now wake up as many waiters as are expected to lock */ |
|
|
2377 | while (count > 0 && AvFILLp (av) > 0) |
|
|
2378 | { |
|
|
2379 | SV *cb; |
|
|
2380 | |
|
|
2381 | /* swap first two elements so we can shift a waiter */ |
|
|
2382 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
|
|
2383 | AvARRAY (av)[1] = count_sv; |
|
|
2384 | cb = av_shift (av); |
|
|
2385 | |
|
|
2386 | if (SvOBJECT (cb)) |
|
|
2387 | { |
|
|
2388 | api_ready (aTHX_ cb); |
|
|
2389 | --count; |
|
|
2390 | } |
|
|
2391 | else if (SvTYPE (cb) == SVt_PVCV) |
|
|
2392 | { |
|
|
2393 | dSP; |
|
|
2394 | PUSHMARK (SP); |
|
|
2395 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2396 | PUTBACK; |
|
|
2397 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2398 | } |
|
|
2399 | |
|
|
2400 | SvREFCNT_dec (cb); |
|
|
2401 | } |
|
|
2402 | } |
|
|
2403 | |
|
|
2404 | static void |
|
|
2405 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
|
|
2406 | { |
|
|
2407 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
|
|
2408 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
|
|
2409 | } |
|
|
2410 | |
|
|
2411 | static int |
|
|
2412 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
|
|
2413 | { |
|
|
2414 | AV *av = (AV *)frame->data; |
|
|
2415 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2416 | |
|
|
2417 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
|
|
2418 | if (CORO_THROW) |
|
|
2419 | return 0; |
|
|
2420 | else if (SvIVX (count_sv) > 0) |
|
|
2421 | { |
|
|
2422 | SvSTATE_current->on_destroy = 0; |
|
|
2423 | |
|
|
2424 | if (acquire) |
|
|
2425 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
|
|
2426 | else |
|
|
2427 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2428 | |
|
|
2429 | return 0; |
|
|
2430 | } |
|
|
2431 | else |
|
|
2432 | { |
|
|
2433 | int i; |
|
|
2434 | /* if we were woken up but can't down, we look through the whole */ |
|
|
2435 | /* waiters list and only add us if we aren't in there already */ |
|
|
2436 | /* this avoids some degenerate memory usage cases */ |
|
|
2437 | |
|
|
2438 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2439 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
|
|
2440 | return 1; |
|
|
2441 | |
|
|
2442 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
|
|
2443 | return 1; |
|
|
2444 | } |
|
|
2445 | } |
|
|
2446 | |
|
|
2447 | static int |
|
|
2448 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
|
|
2449 | { |
|
|
2450 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 1); |
|
|
2451 | } |
|
|
2452 | |
|
|
2453 | static int |
|
|
2454 | slf_check_semaphore_wait (pTHX_ struct CoroSLF *frame) |
|
|
2455 | { |
|
|
2456 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 0); |
|
|
2457 | } |
|
|
2458 | |
|
|
2459 | static void |
|
|
2460 | slf_init_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2461 | { |
|
|
2462 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2463 | |
|
|
2464 | if (SvIVX (AvARRAY (av)[0]) > 0) |
|
|
2465 | { |
|
|
2466 | frame->data = (void *)av; |
|
|
2467 | frame->prepare = prepare_nop; |
|
|
2468 | } |
|
|
2469 | else |
|
|
2470 | { |
|
|
2471 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
|
|
2472 | |
|
|
2473 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
|
|
2474 | frame->prepare = prepare_schedule; |
|
|
2475 | |
|
|
2476 | /* to avoid race conditions when a woken-up coro gets terminated */ |
|
|
2477 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
|
|
2478 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
|
|
2479 | } |
|
|
2480 | } |
|
|
2481 | |
|
|
2482 | static void |
|
|
2483 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2484 | { |
|
|
2485 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
|
|
2486 | frame->check = slf_check_semaphore_down; |
|
|
2487 | } |
|
|
2488 | |
|
|
2489 | static void |
|
|
2490 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2491 | { |
|
|
2492 | if (items >= 2) |
|
|
2493 | { |
|
|
2494 | /* callback form */ |
|
|
2495 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2496 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
|
|
2497 | |
|
|
2498 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
|
|
2499 | |
|
|
2500 | if (SvIVX (AvARRAY (av)[0]) > 0) |
|
|
2501 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2502 | |
|
|
2503 | frame->prepare = prepare_nop; |
|
|
2504 | frame->check = slf_check_nop; |
|
|
2505 | } |
|
|
2506 | else |
|
|
2507 | { |
|
|
2508 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
|
|
2509 | frame->check = slf_check_semaphore_wait; |
|
|
2510 | } |
|
|
2511 | } |
|
|
2512 | |
|
|
2513 | /* signal */ |
|
|
2514 | |
|
|
2515 | static void |
|
|
2516 | coro_signal_wake (pTHX_ AV *av, int count) |
|
|
2517 | { |
|
|
2518 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2519 | |
|
|
2520 | /* now signal count waiters */ |
|
|
2521 | while (count > 0 && AvFILLp (av) > 0) |
|
|
2522 | { |
|
|
2523 | SV *cb; |
|
|
2524 | |
|
|
2525 | /* swap first two elements so we can shift a waiter */ |
|
|
2526 | cb = AvARRAY (av)[0]; |
|
|
2527 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
|
|
2528 | AvARRAY (av)[1] = cb; |
|
|
2529 | |
|
|
2530 | cb = av_shift (av); |
|
|
2531 | |
|
|
2532 | api_ready (aTHX_ cb); |
|
|
2533 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2534 | SvREFCNT_dec (cb); |
|
|
2535 | |
|
|
2536 | --count; |
|
|
2537 | } |
|
|
2538 | } |
|
|
2539 | |
|
|
2540 | static int |
|
|
2541 | slf_check_signal_wait (pTHX_ struct CoroSLF *frame) |
|
|
2542 | { |
|
|
2543 | /* if we are about to throw, also stop waiting */ |
|
|
2544 | return SvROK ((SV *)frame->data) && !CORO_THROW; |
|
|
2545 | } |
|
|
2546 | |
|
|
2547 | static void |
|
|
2548 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2549 | { |
|
|
2550 | AV *av = (AV *)SvRV (arg [0]); |
|
|
2551 | |
|
|
2552 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2553 | { |
|
|
2554 | SvIVX (AvARRAY (av)[0]) = 0; |
|
|
2555 | frame->prepare = prepare_nop; |
|
|
2556 | frame->check = slf_check_nop; |
|
|
2557 | } |
|
|
2558 | else |
|
|
2559 | { |
|
|
2560 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
|
|
2561 | |
|
|
2562 | av_push (av, waiter); |
|
|
2563 | |
|
|
2564 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
|
|
2565 | frame->prepare = prepare_schedule; |
|
|
2566 | frame->check = slf_check_signal_wait; |
|
|
2567 | } |
|
|
2568 | } |
|
|
2569 | |
|
|
2570 | /*****************************************************************************/ |
|
|
2571 | /* Coro::AIO */ |
|
|
2572 | |
|
|
2573 | #define CORO_MAGIC_type_aio PERL_MAGIC_ext |
|
|
2574 | |
|
|
2575 | /* helper storage struct */ |
|
|
2576 | struct io_state |
|
|
2577 | { |
|
|
2578 | int errorno; |
|
|
2579 | I32 laststype; /* U16 in 5.10.0 */ |
|
|
2580 | int laststatval; |
|
|
2581 | Stat_t statcache; |
|
|
2582 | }; |
|
|
2583 | |
|
|
2584 | static void |
|
|
2585 | coro_aio_callback (pTHX_ CV *cv) |
|
|
2586 | { |
|
|
2587 | dXSARGS; |
|
|
2588 | AV *state = (AV *)GENSUB_ARG; |
|
|
2589 | SV *coro = av_pop (state); |
|
|
2590 | SV *data_sv = newSV (sizeof (struct io_state)); |
|
|
2591 | |
|
|
2592 | av_extend (state, items - 1); |
|
|
2593 | |
|
|
2594 | sv_upgrade (data_sv, SVt_PV); |
|
|
2595 | SvCUR_set (data_sv, sizeof (struct io_state)); |
|
|
2596 | SvPOK_only (data_sv); |
|
|
2597 | |
|
|
2598 | { |
|
|
2599 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
|
|
2600 | |
|
|
2601 | data->errorno = errno; |
|
|
2602 | data->laststype = PL_laststype; |
|
|
2603 | data->laststatval = PL_laststatval; |
|
|
2604 | data->statcache = PL_statcache; |
|
|
2605 | } |
|
|
2606 | |
|
|
2607 | /* now build the result vector out of all the parameters and the data_sv */ |
|
|
2608 | { |
|
|
2609 | int i; |
|
|
2610 | |
|
|
2611 | for (i = 0; i < items; ++i) |
|
|
2612 | av_push (state, SvREFCNT_inc_NN (ST (i))); |
|
|
2613 | } |
|
|
2614 | |
|
|
2615 | av_push (state, data_sv); |
|
|
2616 | |
|
|
2617 | api_ready (aTHX_ coro); |
|
|
2618 | SvREFCNT_dec (coro); |
|
|
2619 | SvREFCNT_dec ((AV *)state); |
|
|
2620 | } |
|
|
2621 | |
|
|
2622 | static int |
|
|
2623 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
|
|
2624 | { |
|
|
2625 | AV *state = (AV *)frame->data; |
|
|
2626 | |
|
|
2627 | /* if we are about to throw, return early */ |
|
|
2628 | /* this does not cancel the aio request, but at least */ |
|
|
2629 | /* it quickly returns */ |
|
|
2630 | if (CORO_THROW) |
|
|
2631 | return 0; |
|
|
2632 | |
|
|
2633 | /* one element that is an RV? repeat! */ |
|
|
2634 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
|
|
2635 | return 1; |
|
|
2636 | |
|
|
2637 | /* restore status */ |
|
|
2638 | { |
|
|
2639 | SV *data_sv = av_pop (state); |
|
|
2640 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
|
|
2641 | |
|
|
2642 | errno = data->errorno; |
|
|
2643 | PL_laststype = data->laststype; |
|
|
2644 | PL_laststatval = data->laststatval; |
|
|
2645 | PL_statcache = data->statcache; |
|
|
2646 | |
|
|
2647 | SvREFCNT_dec (data_sv); |
|
|
2648 | } |
|
|
2649 | |
|
|
2650 | /* push result values */ |
|
|
2651 | { |
1849 | dSP; |
2652 | dSP; |
|
|
2653 | int i; |
1850 | |
2654 | |
|
|
2655 | EXTEND (SP, AvFILLp (state) + 1); |
|
|
2656 | for (i = 0; i <= AvFILLp (state); ++i) |
|
|
2657 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (state)[i]))); |
|
|
2658 | |
|
|
2659 | PUTBACK; |
|
|
2660 | } |
|
|
2661 | |
|
|
2662 | return 0; |
|
|
2663 | } |
|
|
2664 | |
|
|
2665 | static void |
|
|
2666 | slf_init_aio_req (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2667 | { |
|
|
2668 | AV *state = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
2669 | SV *coro_hv = SvRV (coro_current); |
|
|
2670 | struct coro *coro = SvSTATE_hv (coro_hv); |
|
|
2671 | |
|
|
2672 | /* put our coroutine id on the state arg */ |
|
|
2673 | av_push (state, SvREFCNT_inc_NN (coro_hv)); |
|
|
2674 | |
|
|
2675 | /* first see whether we have a non-zero priority and set it as AIO prio */ |
|
|
2676 | if (coro->prio) |
|
|
2677 | { |
|
|
2678 | dSP; |
|
|
2679 | |
|
|
2680 | static SV *prio_cv; |
|
|
2681 | static SV *prio_sv; |
|
|
2682 | |
|
|
2683 | if (expect_false (!prio_cv)) |
|
|
2684 | { |
|
|
2685 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
|
|
2686 | prio_sv = newSViv (0); |
|
|
2687 | } |
|
|
2688 | |
|
|
2689 | PUSHMARK (SP); |
|
|
2690 | sv_setiv (prio_sv, coro->prio); |
|
|
2691 | XPUSHs (prio_sv); |
|
|
2692 | |
|
|
2693 | PUTBACK; |
|
|
2694 | call_sv (prio_cv, G_VOID | G_DISCARD); |
|
|
2695 | } |
|
|
2696 | |
|
|
2697 | /* now call the original request */ |
|
|
2698 | { |
|
|
2699 | dSP; |
|
|
2700 | CV *req = (CV *)CORO_MAGIC_NN ((SV *)cv, CORO_MAGIC_type_aio)->mg_obj; |
|
|
2701 | int i; |
|
|
2702 | |
1851 | PUSHMARK (SP); |
2703 | PUSHMARK (SP); |
1852 | |
2704 | |
1853 | EXTEND (SP, 3); |
2705 | /* first push all args to the stack */ |
1854 | if (ssl_arg0) PUSHs (sv_2mortal (ssl_arg0)), ssl_arg0 = 0; |
2706 | EXTEND (SP, items + 1); |
1855 | if (ssl_arg1) PUSHs (sv_2mortal (ssl_arg1)), ssl_arg1 = 0; |
|
|
1856 | PUSHs ((SV *)CvGV (ssl_cv)); |
|
|
1857 | |
2707 | |
1858 | RETURNOP (ssl_restore.op_first); |
2708 | for (i = 0; i < items; ++i) |
1859 | } |
2709 | PUSHs (arg [i]); |
1860 | |
2710 | |
1861 | /* declare prototype */ |
2711 | /* now push the callback closure */ |
1862 | XS(XS_Coro__State__set_stacklevel); |
2712 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
1863 | |
2713 | |
1864 | #define OPpENTERSUB_SSL 15 |
2714 | /* now call the AIO function - we assume our request is uncancelable */ |
1865 | |
|
|
1866 | static OP * |
|
|
1867 | pp_set_stacklevel (pTHX) |
|
|
1868 | { |
|
|
1869 | dSP; |
|
|
1870 | struct transfer_args ta; |
|
|
1871 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
1872 | int items = SP - arg; /* args without function object */ |
|
|
1873 | |
|
|
1874 | /* do a quick consistency check on the "function" object, and if it isn't */ |
|
|
1875 | /* for us, divert to the real entersub */ |
|
|
1876 | if (SvTYPE (*sp) != SVt_PVGV || CvXSUB (GvCV (*sp)) != XS_Coro__State__set_stacklevel) |
|
|
1877 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1878 | |
|
|
1879 | /* pop args */ |
|
|
1880 | SP = PL_stack_base + POPMARK; |
|
|
1881 | |
|
|
1882 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
1883 | { |
|
|
1884 | /* ampersand-form of call, use @_ instead of stack */ |
|
|
1885 | AV *av = GvAV (PL_defgv); |
|
|
1886 | arg = AvARRAY (av); |
|
|
1887 | items = AvFILLp (av) + 1; |
|
|
1888 | } |
|
|
1889 | |
|
|
1890 | PUTBACK; |
2715 | PUTBACK; |
1891 | switch (PL_op->op_private & OPpENTERSUB_SSL) |
2716 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
1892 | { |
|
|
1893 | case 0: |
|
|
1894 | prepare_set_stacklevel (&ta, (struct coro_cctx *)SvIV (arg [0])); |
|
|
1895 | break; |
|
|
1896 | |
|
|
1897 | case 1: |
|
|
1898 | if (items != 2) |
|
|
1899 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d.", items); |
|
|
1900 | |
|
|
1901 | prepare_transfer (aTHX_ &ta, arg [0], arg [1]); |
|
|
1902 | break; |
|
|
1903 | |
|
|
1904 | case 2: |
|
|
1905 | prepare_schedule (aTHX_ &ta); |
|
|
1906 | break; |
|
|
1907 | |
|
|
1908 | case 3: |
|
|
1909 | prepare_cede (aTHX_ &ta); |
|
|
1910 | break; |
|
|
1911 | |
|
|
1912 | case 4: |
|
|
1913 | if (!prepare_cede_notself (aTHX_ &ta)) |
|
|
1914 | goto skip; |
|
|
1915 | |
|
|
1916 | break; |
|
|
1917 | } |
2717 | } |
1918 | |
2718 | |
1919 | TRANSFER (ta, 0); |
2719 | /* now that the requets is going, we loop toll we have a result */ |
1920 | SPAGAIN; |
2720 | frame->data = (void *)state; |
1921 | |
2721 | frame->prepare = prepare_schedule; |
1922 | skip: |
2722 | frame->check = slf_check_aio_req; |
1923 | PUTBACK; |
|
|
1924 | SSL_TAIL; |
|
|
1925 | SPAGAIN; |
|
|
1926 | RETURN; |
|
|
1927 | } |
2723 | } |
|
|
2724 | |
|
|
2725 | static void |
|
|
2726 | coro_aio_req_xs (pTHX_ CV *cv) |
|
|
2727 | { |
|
|
2728 | dXSARGS; |
|
|
2729 | |
|
|
2730 | CORO_EXECUTE_SLF_XS (slf_init_aio_req); |
|
|
2731 | |
|
|
2732 | XSRETURN_EMPTY; |
|
|
2733 | } |
|
|
2734 | |
|
|
2735 | /*****************************************************************************/ |
|
|
2736 | |
|
|
2737 | #if CORO_CLONE |
|
|
2738 | # include "clone.c" |
|
|
2739 | #endif |
1928 | |
2740 | |
1929 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2741 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1930 | |
2742 | |
1931 | PROTOTYPES: DISABLE |
2743 | PROTOTYPES: DISABLE |
1932 | |
2744 | |
1933 | # these not obviously related functions are all rolled into the same xs |
|
|
1934 | # function to increase chances that they all will call transfer with the same |
|
|
1935 | # stack offset |
|
|
1936 | void |
|
|
1937 | _set_stacklevel (...) |
|
|
1938 | ALIAS: |
|
|
1939 | Coro::State::transfer = 1 |
|
|
1940 | Coro::schedule = 2 |
|
|
1941 | Coro::cede = 3 |
|
|
1942 | Coro::cede_notself = 4 |
|
|
1943 | CODE: |
|
|
1944 | { |
|
|
1945 | assert (("FATAL: ssl call recursion in Coro module (please report)", PL_op->op_ppaddr != pp_set_stacklevel)); |
|
|
1946 | |
|
|
1947 | assert (("FATAL: ssl call with illegal CV value", CvGV (cv))); |
|
|
1948 | ssl_cv = cv; |
|
|
1949 | |
|
|
1950 | /* we patch the op, and then re-run the whole call */ |
|
|
1951 | /* we have to put some dummy argument on the stack for this to work */ |
|
|
1952 | ssl_restore.op_next = (OP *)&ssl_restore; |
|
|
1953 | ssl_restore.op_type = OP_NULL; |
|
|
1954 | ssl_restore.op_ppaddr = pp_restore; |
|
|
1955 | ssl_restore.op_first = PL_op; |
|
|
1956 | |
|
|
1957 | ssl_arg0 = items > 0 ? SvREFCNT_inc (ST (0)) : 0; |
|
|
1958 | ssl_arg1 = items > 1 ? SvREFCNT_inc (ST (1)) : 0; |
|
|
1959 | |
|
|
1960 | PL_op->op_ppaddr = pp_set_stacklevel; |
|
|
1961 | PL_op->op_private = PL_op->op_private & ~OPpENTERSUB_SSL | ix; /* we potentially share our private flags with entersub */ |
|
|
1962 | |
|
|
1963 | PL_op = (OP *)&ssl_restore; |
|
|
1964 | } |
|
|
1965 | |
|
|
1966 | BOOT: |
2745 | BOOT: |
1967 | { |
2746 | { |
1968 | #ifdef USE_ITHREADS |
2747 | #ifdef USE_ITHREADS |
1969 | MUTEX_INIT (&coro_lock); |
|
|
1970 | # if CORO_PTHREAD |
2748 | # if CORO_PTHREAD |
1971 | coro_thx = PERL_GET_CONTEXT; |
2749 | coro_thx = PERL_GET_CONTEXT; |
1972 | # endif |
2750 | # endif |
1973 | #endif |
2751 | #endif |
1974 | BOOT_PAGESIZE; |
2752 | BOOT_PAGESIZE; |
|
|
2753 | |
|
|
2754 | cctx_current = cctx_new_empty (); |
1975 | |
2755 | |
1976 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2756 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1977 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2757 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1978 | |
2758 | |
1979 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2759 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
… | |
… | |
1995 | main_top_env = PL_top_env; |
2775 | main_top_env = PL_top_env; |
1996 | |
2776 | |
1997 | while (main_top_env->je_prev) |
2777 | while (main_top_env->je_prev) |
1998 | main_top_env = main_top_env->je_prev; |
2778 | main_top_env = main_top_env->je_prev; |
1999 | |
2779 | |
|
|
2780 | { |
|
|
2781 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
|
|
2782 | |
|
|
2783 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
|
|
2784 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
|
|
2785 | |
|
|
2786 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
|
|
2787 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
|
|
2788 | } |
|
|
2789 | |
2000 | coroapi.ver = CORO_API_VERSION; |
2790 | coroapi.ver = CORO_API_VERSION; |
2001 | coroapi.rev = CORO_API_REVISION; |
2791 | coroapi.rev = CORO_API_REVISION; |
|
|
2792 | |
2002 | coroapi.transfer = api_transfer; |
2793 | coroapi.transfer = api_transfer; |
|
|
2794 | |
|
|
2795 | coroapi.sv_state = SvSTATE_; |
|
|
2796 | coroapi.execute_slf = api_execute_slf; |
|
|
2797 | coroapi.prepare_nop = prepare_nop; |
|
|
2798 | coroapi.prepare_schedule = prepare_schedule; |
|
|
2799 | coroapi.prepare_cede = prepare_cede; |
|
|
2800 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2003 | |
2801 | |
2004 | { |
2802 | { |
2005 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
2803 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
2006 | |
2804 | |
2007 | if (!svp) croak ("Time::HiRes is required"); |
2805 | if (!svp) croak ("Time::HiRes is required"); |
… | |
… | |
2013 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2811 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
2014 | } |
2812 | } |
2015 | |
2813 | |
2016 | SV * |
2814 | SV * |
2017 | new (char *klass, ...) |
2815 | new (char *klass, ...) |
|
|
2816 | ALIAS: |
|
|
2817 | Coro::new = 1 |
2018 | CODE: |
2818 | CODE: |
2019 | { |
2819 | { |
2020 | struct coro *coro; |
2820 | struct coro *coro; |
2021 | MAGIC *mg; |
2821 | MAGIC *mg; |
2022 | HV *hv; |
2822 | HV *hv; |
|
|
2823 | CV *cb; |
2023 | int i; |
2824 | int i; |
|
|
2825 | |
|
|
2826 | if (items > 1) |
|
|
2827 | { |
|
|
2828 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2829 | |
|
|
2830 | if (!ix) |
|
|
2831 | { |
|
|
2832 | if (CvISXSUB (cb)) |
|
|
2833 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2834 | |
|
|
2835 | if (!CvROOT (cb)) |
|
|
2836 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2837 | } |
|
|
2838 | } |
2024 | |
2839 | |
2025 | Newz (0, coro, 1, struct coro); |
2840 | Newz (0, coro, 1, struct coro); |
2026 | coro->args = newAV (); |
2841 | coro->args = newAV (); |
2027 | coro->flags = CF_NEW; |
2842 | coro->flags = CF_NEW; |
2028 | |
2843 | |
… | |
… | |
2033 | coro->hv = hv = newHV (); |
2848 | coro->hv = hv = newHV (); |
2034 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2849 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
2035 | mg->mg_flags |= MGf_DUP; |
2850 | mg->mg_flags |= MGf_DUP; |
2036 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2851 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
2037 | |
2852 | |
|
|
2853 | if (items > 1) |
|
|
2854 | { |
2038 | av_extend (coro->args, items - 1); |
2855 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2856 | |
|
|
2857 | if (ix) |
|
|
2858 | { |
|
|
2859 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2860 | cb = cv_coro_run; |
|
|
2861 | } |
|
|
2862 | |
|
|
2863 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2864 | |
2039 | for (i = 1; i < items; i++) |
2865 | for (i = 2; i < items; i++) |
2040 | av_push (coro->args, newSVsv (ST (i))); |
2866 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2867 | } |
2041 | } |
2868 | } |
2042 | OUTPUT: |
2869 | OUTPUT: |
2043 | RETVAL |
2870 | RETVAL |
|
|
2871 | |
|
|
2872 | void |
|
|
2873 | transfer (...) |
|
|
2874 | PROTOTYPE: $$ |
|
|
2875 | CODE: |
|
|
2876 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2044 | |
2877 | |
2045 | bool |
2878 | bool |
2046 | _destroy (SV *coro_sv) |
2879 | _destroy (SV *coro_sv) |
2047 | CODE: |
2880 | CODE: |
2048 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
2881 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
… | |
… | |
2053 | _exit (int code) |
2886 | _exit (int code) |
2054 | PROTOTYPE: $ |
2887 | PROTOTYPE: $ |
2055 | CODE: |
2888 | CODE: |
2056 | _exit (code); |
2889 | _exit (code); |
2057 | |
2890 | |
|
|
2891 | SV * |
|
|
2892 | clone (Coro::State coro) |
|
|
2893 | CODE: |
|
|
2894 | { |
|
|
2895 | #if CORO_CLONE |
|
|
2896 | struct coro *ncoro = coro_clone (coro); |
|
|
2897 | MAGIC *mg; |
|
|
2898 | /* TODO: too much duplication */ |
|
|
2899 | ncoro->hv = newHV (); |
|
|
2900 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
2901 | mg->mg_flags |= MGf_DUP; |
|
|
2902 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
2903 | #else |
|
|
2904 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
2905 | #endif |
|
|
2906 | } |
|
|
2907 | OUTPUT: |
|
|
2908 | RETVAL |
|
|
2909 | |
2058 | int |
2910 | int |
2059 | cctx_stacksize (int new_stacksize = 0) |
2911 | cctx_stacksize (int new_stacksize = 0) |
|
|
2912 | PROTOTYPE: ;$ |
2060 | CODE: |
2913 | CODE: |
2061 | RETVAL = cctx_stacksize; |
2914 | RETVAL = cctx_stacksize; |
2062 | if (new_stacksize) |
2915 | if (new_stacksize) |
2063 | { |
2916 | { |
2064 | cctx_stacksize = new_stacksize; |
2917 | cctx_stacksize = new_stacksize; |
… | |
… | |
2067 | OUTPUT: |
2920 | OUTPUT: |
2068 | RETVAL |
2921 | RETVAL |
2069 | |
2922 | |
2070 | int |
2923 | int |
2071 | cctx_max_idle (int max_idle = 0) |
2924 | cctx_max_idle (int max_idle = 0) |
|
|
2925 | PROTOTYPE: ;$ |
2072 | CODE: |
2926 | CODE: |
2073 | RETVAL = cctx_max_idle; |
2927 | RETVAL = cctx_max_idle; |
2074 | if (max_idle > 1) |
2928 | if (max_idle > 1) |
2075 | cctx_max_idle = max_idle; |
2929 | cctx_max_idle = max_idle; |
2076 | OUTPUT: |
2930 | OUTPUT: |
2077 | RETVAL |
2931 | RETVAL |
2078 | |
2932 | |
2079 | int |
2933 | int |
2080 | cctx_count () |
2934 | cctx_count () |
|
|
2935 | PROTOTYPE: |
2081 | CODE: |
2936 | CODE: |
2082 | RETVAL = cctx_count; |
2937 | RETVAL = cctx_count; |
2083 | OUTPUT: |
2938 | OUTPUT: |
2084 | RETVAL |
2939 | RETVAL |
2085 | |
2940 | |
2086 | int |
2941 | int |
2087 | cctx_idle () |
2942 | cctx_idle () |
|
|
2943 | PROTOTYPE: |
2088 | CODE: |
2944 | CODE: |
2089 | RETVAL = cctx_idle; |
2945 | RETVAL = cctx_idle; |
2090 | OUTPUT: |
2946 | OUTPUT: |
2091 | RETVAL |
2947 | RETVAL |
2092 | |
2948 | |
2093 | void |
2949 | void |
2094 | list () |
2950 | list () |
|
|
2951 | PROTOTYPE: |
2095 | PPCODE: |
2952 | PPCODE: |
2096 | { |
2953 | { |
2097 | struct coro *coro; |
2954 | struct coro *coro; |
2098 | for (coro = coro_first; coro; coro = coro->next) |
2955 | for (coro = coro_first; coro; coro = coro->next) |
2099 | if (coro->hv) |
2956 | if (coro->hv) |
… | |
… | |
2161 | |
3018 | |
2162 | void |
3019 | void |
2163 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3020 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
2164 | PROTOTYPE: $;$ |
3021 | PROTOTYPE: $;$ |
2165 | CODE: |
3022 | CODE: |
|
|
3023 | { |
|
|
3024 | struct coro *current = SvSTATE_current; |
|
|
3025 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
2166 | SvREFCNT_dec (self->throw); |
3026 | SvREFCNT_dec (*throwp); |
2167 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
3027 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
3028 | } |
2168 | |
3029 | |
2169 | void |
3030 | void |
2170 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3031 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
|
|
3032 | PROTOTYPE: $;$ |
|
|
3033 | C_ARGS: aTHX_ coro, flags |
2171 | |
3034 | |
2172 | SV * |
3035 | SV * |
2173 | has_cctx (Coro::State coro) |
3036 | has_cctx (Coro::State coro) |
2174 | PROTOTYPE: $ |
3037 | PROTOTYPE: $ |
2175 | CODE: |
3038 | CODE: |
2176 | RETVAL = boolSV (!!coro->cctx); |
3039 | /* maybe manage the running flag differently */ |
|
|
3040 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
2177 | OUTPUT: |
3041 | OUTPUT: |
2178 | RETVAL |
3042 | RETVAL |
2179 | |
3043 | |
2180 | int |
3044 | int |
2181 | is_traced (Coro::State coro) |
3045 | is_traced (Coro::State coro) |
… | |
… | |
2199 | OUTPUT: |
3063 | OUTPUT: |
2200 | RETVAL |
3064 | RETVAL |
2201 | |
3065 | |
2202 | void |
3066 | void |
2203 | force_cctx () |
3067 | force_cctx () |
|
|
3068 | PROTOTYPE: |
2204 | CODE: |
3069 | CODE: |
2205 | struct coro *coro = SvSTATE (coro_current); |
|
|
2206 | coro->cctx->idle_sp = 0; |
3070 | cctx_current->idle_sp = 0; |
2207 | |
3071 | |
2208 | void |
3072 | void |
2209 | swap_defsv (Coro::State self) |
3073 | swap_defsv (Coro::State self) |
2210 | PROTOTYPE: $ |
3074 | PROTOTYPE: $ |
2211 | ALIAS: |
3075 | ALIAS: |
2212 | swap_defav = 1 |
3076 | swap_defav = 1 |
2213 | CODE: |
3077 | CODE: |
2214 | if (!self->slot) |
3078 | if (!self->slot) |
2215 | croak ("cannot swap state with coroutine that has no saved state"); |
3079 | croak ("cannot swap state with coroutine that has no saved state,"); |
2216 | else |
3080 | else |
2217 | { |
3081 | { |
2218 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
3082 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
2219 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3083 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
2220 | |
3084 | |
2221 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3085 | SV *tmp = *src; *src = *dst; *dst = tmp; |
2222 | } |
3086 | } |
2223 | |
3087 | |
|
|
3088 | |
2224 | MODULE = Coro::State PACKAGE = Coro |
3089 | MODULE = Coro::State PACKAGE = Coro |
2225 | |
3090 | |
2226 | BOOT: |
3091 | BOOT: |
2227 | { |
3092 | { |
2228 | int i; |
3093 | int i; |
2229 | |
3094 | |
2230 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2231 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3095 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
2232 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3096 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
2233 | |
3097 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
|
|
3098 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
2234 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
3099 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
2235 | SvREADONLY_on (coro_current); |
3100 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
3101 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
|
|
3102 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3103 | |
|
|
3104 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
|
|
3105 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
|
|
3106 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
|
|
3107 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
2236 | |
3108 | |
2237 | coro_stash = gv_stashpv ("Coro", TRUE); |
3109 | coro_stash = gv_stashpv ("Coro", TRUE); |
2238 | |
3110 | |
2239 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3111 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
2240 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3112 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
… | |
… | |
2248 | |
3120 | |
2249 | { |
3121 | { |
2250 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3122 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
2251 | |
3123 | |
2252 | coroapi.schedule = api_schedule; |
3124 | coroapi.schedule = api_schedule; |
|
|
3125 | coroapi.schedule_to = api_schedule_to; |
2253 | coroapi.cede = api_cede; |
3126 | coroapi.cede = api_cede; |
2254 | coroapi.cede_notself = api_cede_notself; |
3127 | coroapi.cede_notself = api_cede_notself; |
2255 | coroapi.ready = api_ready; |
3128 | coroapi.ready = api_ready; |
2256 | coroapi.is_ready = api_is_ready; |
3129 | coroapi.is_ready = api_is_ready; |
2257 | coroapi.nready = &coro_nready; |
3130 | coroapi.nready = coro_nready; |
2258 | coroapi.current = coro_current; |
3131 | coroapi.current = coro_current; |
2259 | |
3132 | |
2260 | GCoroAPI = &coroapi; |
3133 | /*GCoroAPI = &coroapi;*/ |
2261 | sv_setiv (sv, (IV)&coroapi); |
3134 | sv_setiv (sv, (IV)&coroapi); |
2262 | SvREADONLY_on (sv); |
3135 | SvREADONLY_on (sv); |
2263 | } |
3136 | } |
2264 | } |
3137 | } |
|
|
3138 | |
|
|
3139 | void |
|
|
3140 | terminate (...) |
|
|
3141 | CODE: |
|
|
3142 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3143 | |
|
|
3144 | void |
|
|
3145 | schedule (...) |
|
|
3146 | CODE: |
|
|
3147 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
|
|
3148 | |
|
|
3149 | void |
|
|
3150 | schedule_to (...) |
|
|
3151 | CODE: |
|
|
3152 | CORO_EXECUTE_SLF_XS (slf_init_schedule_to); |
|
|
3153 | |
|
|
3154 | void |
|
|
3155 | cede_to (...) |
|
|
3156 | CODE: |
|
|
3157 | CORO_EXECUTE_SLF_XS (slf_init_cede_to); |
|
|
3158 | |
|
|
3159 | void |
|
|
3160 | cede (...) |
|
|
3161 | CODE: |
|
|
3162 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
|
|
3163 | |
|
|
3164 | void |
|
|
3165 | cede_notself (...) |
|
|
3166 | CODE: |
|
|
3167 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
|
|
3168 | |
|
|
3169 | void |
|
|
3170 | _cancel (Coro::State self) |
|
|
3171 | CODE: |
|
|
3172 | coro_state_destroy (aTHX_ self); |
|
|
3173 | coro_call_on_destroy (aTHX_ self); |
2265 | |
3174 | |
2266 | void |
3175 | void |
2267 | _set_current (SV *current) |
3176 | _set_current (SV *current) |
2268 | PROTOTYPE: $ |
3177 | PROTOTYPE: $ |
2269 | CODE: |
3178 | CODE: |
… | |
… | |
2272 | |
3181 | |
2273 | void |
3182 | void |
2274 | _set_readyhook (SV *hook) |
3183 | _set_readyhook (SV *hook) |
2275 | PROTOTYPE: $ |
3184 | PROTOTYPE: $ |
2276 | CODE: |
3185 | CODE: |
2277 | LOCK; |
|
|
2278 | SvREFCNT_dec (coro_readyhook); |
3186 | SvREFCNT_dec (coro_readyhook); |
2279 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3187 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
2280 | UNLOCK; |
|
|
2281 | |
3188 | |
2282 | int |
3189 | int |
2283 | prio (Coro::State coro, int newprio = 0) |
3190 | prio (Coro::State coro, int newprio = 0) |
|
|
3191 | PROTOTYPE: $;$ |
2284 | ALIAS: |
3192 | ALIAS: |
2285 | nice = 1 |
3193 | nice = 1 |
2286 | CODE: |
3194 | CODE: |
2287 | { |
3195 | { |
2288 | RETVAL = coro->prio; |
3196 | RETVAL = coro->prio; |
… | |
… | |
2303 | |
3211 | |
2304 | SV * |
3212 | SV * |
2305 | ready (SV *self) |
3213 | ready (SV *self) |
2306 | PROTOTYPE: $ |
3214 | PROTOTYPE: $ |
2307 | CODE: |
3215 | CODE: |
2308 | RETVAL = boolSV (api_ready (self)); |
3216 | RETVAL = boolSV (api_ready (aTHX_ self)); |
2309 | OUTPUT: |
3217 | OUTPUT: |
2310 | RETVAL |
3218 | RETVAL |
2311 | |
3219 | |
2312 | int |
3220 | int |
2313 | nready (...) |
3221 | nready (...) |
… | |
… | |
2315 | CODE: |
3223 | CODE: |
2316 | RETVAL = coro_nready; |
3224 | RETVAL = coro_nready; |
2317 | OUTPUT: |
3225 | OUTPUT: |
2318 | RETVAL |
3226 | RETVAL |
2319 | |
3227 | |
2320 | # for async_pool speedup |
|
|
2321 | void |
3228 | void |
2322 | _pool_1 (SV *cb) |
3229 | _pool_handler (...) |
2323 | CODE: |
3230 | CODE: |
2324 | { |
3231 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
2325 | struct coro *coro = SvSTATE (coro_current); |
|
|
2326 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2327 | AV *defav = GvAV (PL_defgv); |
|
|
2328 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
2329 | AV *invoke_av; |
|
|
2330 | int i, len; |
|
|
2331 | |
3232 | |
2332 | if (!invoke) |
3233 | void |
|
|
3234 | async_pool (SV *cv, ...) |
|
|
3235 | PROTOTYPE: &@ |
|
|
3236 | PPCODE: |
|
|
3237 | { |
|
|
3238 | HV *hv = (HV *)av_pop (av_async_pool); |
|
|
3239 | AV *av = newAV (); |
|
|
3240 | SV *cb = ST (0); |
|
|
3241 | int i; |
|
|
3242 | |
|
|
3243 | av_extend (av, items - 2); |
|
|
3244 | for (i = 1; i < items; ++i) |
|
|
3245 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
|
|
3246 | |
|
|
3247 | if ((SV *)hv == &PL_sv_undef) |
2333 | { |
3248 | { |
2334 | SV *old = PL_diehook; |
3249 | PUSHMARK (SP); |
2335 | PL_diehook = 0; |
3250 | EXTEND (SP, 2); |
2336 | SvREFCNT_dec (old); |
3251 | PUSHs (sv_Coro); |
2337 | croak ("\3async_pool terminate\2\n"); |
3252 | PUSHs ((SV *)cv_pool_handler); |
|
|
3253 | PUTBACK; |
|
|
3254 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3255 | SPAGAIN; |
|
|
3256 | |
|
|
3257 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
2338 | } |
3258 | } |
2339 | |
3259 | |
2340 | SvREFCNT_dec (coro->saved_deffh); |
|
|
2341 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2342 | |
|
|
2343 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2344 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2345 | |
|
|
2346 | invoke_av = (AV *)SvRV (invoke); |
|
|
2347 | len = av_len (invoke_av); |
|
|
2348 | |
|
|
2349 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
2350 | |
|
|
2351 | if (len > 0) |
|
|
2352 | { |
3260 | { |
2353 | av_fill (defav, len - 1); |
3261 | struct coro *coro = SvSTATE_hv (hv); |
2354 | for (i = 0; i < len; ++i) |
3262 | |
2355 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
3263 | assert (!coro->invoke_cb); |
|
|
3264 | assert (!coro->invoke_av); |
|
|
3265 | coro->invoke_cb = SvREFCNT_inc (cb); |
|
|
3266 | coro->invoke_av = av; |
2356 | } |
3267 | } |
2357 | |
3268 | |
|
|
3269 | api_ready (aTHX_ (SV *)hv); |
|
|
3270 | |
|
|
3271 | if (GIMME_V != G_VOID) |
|
|
3272 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
|
|
3273 | else |
2358 | SvREFCNT_dec (invoke); |
3274 | SvREFCNT_dec (hv); |
2359 | } |
3275 | } |
2360 | |
3276 | |
2361 | void |
3277 | SV * |
2362 | _pool_2 (SV *cb) |
3278 | rouse_cb () |
|
|
3279 | PROTOTYPE: |
2363 | CODE: |
3280 | CODE: |
2364 | { |
3281 | RETVAL = coro_new_rouse_cb (aTHX); |
2365 | struct coro *coro = SvSTATE (coro_current); |
|
|
2366 | |
|
|
2367 | sv_setsv (cb, &PL_sv_undef); |
|
|
2368 | |
|
|
2369 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
2370 | coro->saved_deffh = 0; |
|
|
2371 | |
|
|
2372 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
2373 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2374 | { |
|
|
2375 | SV *old = PL_diehook; |
|
|
2376 | PL_diehook = 0; |
|
|
2377 | SvREFCNT_dec (old); |
|
|
2378 | croak ("\3async_pool terminate\2\n"); |
|
|
2379 | } |
|
|
2380 | |
|
|
2381 | av_clear (GvAV (PL_defgv)); |
|
|
2382 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
|
|
2383 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
2384 | |
|
|
2385 | coro->prio = 0; |
|
|
2386 | |
|
|
2387 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2388 | api_trace (coro_current, 0); |
|
|
2389 | |
|
|
2390 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
2391 | } |
|
|
2392 | |
|
|
2393 | #if 0 |
|
|
2394 | |
|
|
2395 | void |
|
|
2396 | _generator_call (...) |
|
|
2397 | PROTOTYPE: @ |
|
|
2398 | PPCODE: |
|
|
2399 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
|
|
2400 | xxxx |
|
|
2401 | abort (); |
|
|
2402 | |
|
|
2403 | SV * |
|
|
2404 | gensub (SV *sub, ...) |
|
|
2405 | PROTOTYPE: &;@ |
|
|
2406 | CODE: |
|
|
2407 | { |
|
|
2408 | struct coro *coro; |
|
|
2409 | MAGIC *mg; |
|
|
2410 | CV *xcv; |
|
|
2411 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
|
|
2412 | int i; |
|
|
2413 | |
|
|
2414 | CvGV (ncv) = CvGV (cv); |
|
|
2415 | CvFILE (ncv) = CvFILE (cv); |
|
|
2416 | |
|
|
2417 | Newz (0, coro, 1, struct coro); |
|
|
2418 | coro->args = newAV (); |
|
|
2419 | coro->flags = CF_NEW; |
|
|
2420 | |
|
|
2421 | av_extend (coro->args, items - 1); |
|
|
2422 | for (i = 1; i < items; i++) |
|
|
2423 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2424 | |
|
|
2425 | CvISXSUB_on (ncv); |
|
|
2426 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
|
|
2427 | |
|
|
2428 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
|
|
2429 | |
|
|
2430 | CvXSUB (ncv) = CvXSUB (xcv); |
|
|
2431 | CvANON_on (ncv); |
|
|
2432 | |
|
|
2433 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
|
|
2434 | RETVAL = newRV_noinc ((SV *)ncv); |
|
|
2435 | } |
|
|
2436 | OUTPUT: |
3282 | OUTPUT: |
2437 | RETVAL |
3283 | RETVAL |
2438 | |
3284 | |
2439 | #endif |
|
|
2440 | |
|
|
2441 | |
|
|
2442 | MODULE = Coro::State PACKAGE = Coro::AIO |
|
|
2443 | |
|
|
2444 | void |
3285 | void |
2445 | _get_state (SV *self) |
3286 | rouse_wait (...) |
|
|
3287 | PROTOTYPE: ;$ |
2446 | PPCODE: |
3288 | PPCODE: |
2447 | { |
3289 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
2448 | AV *defav = GvAV (PL_defgv); |
|
|
2449 | AV *av = newAV (); |
|
|
2450 | int i; |
|
|
2451 | SV *data_sv = newSV (sizeof (struct io_state)); |
|
|
2452 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
|
|
2453 | SvCUR_set (data_sv, sizeof (struct io_state)); |
|
|
2454 | SvPOK_only (data_sv); |
|
|
2455 | |
3290 | |
2456 | data->errorno = errno; |
|
|
2457 | data->laststype = PL_laststype; |
|
|
2458 | data->laststatval = PL_laststatval; |
|
|
2459 | data->statcache = PL_statcache; |
|
|
2460 | |
3291 | |
2461 | av_extend (av, AvFILLp (defav) + 1 + 1); |
3292 | MODULE = Coro::State PACKAGE = PerlIO::cede |
2462 | |
3293 | |
2463 | for (i = 0; i <= AvFILLp (defav); ++i) |
3294 | BOOT: |
2464 | av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i])); |
3295 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
2465 | |
3296 | |
2466 | av_push (av, data_sv); |
|
|
2467 | |
3297 | |
2468 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
3298 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
2469 | |
3299 | |
2470 | api_ready (self); |
3300 | SV * |
2471 | } |
3301 | new (SV *klass, SV *count = 0) |
|
|
3302 | CODE: |
|
|
3303 | RETVAL = sv_bless ( |
|
|
3304 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
|
|
3305 | GvSTASH (CvGV (cv)) |
|
|
3306 | ); |
|
|
3307 | OUTPUT: |
|
|
3308 | RETVAL |
|
|
3309 | |
|
|
3310 | # helper for Coro::Channel |
|
|
3311 | SV * |
|
|
3312 | _alloc (int count) |
|
|
3313 | CODE: |
|
|
3314 | RETVAL = coro_waitarray_new (aTHX_ count); |
|
|
3315 | OUTPUT: |
|
|
3316 | RETVAL |
|
|
3317 | |
|
|
3318 | SV * |
|
|
3319 | count (SV *self) |
|
|
3320 | CODE: |
|
|
3321 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
|
|
3322 | OUTPUT: |
|
|
3323 | RETVAL |
2472 | |
3324 | |
2473 | void |
3325 | void |
2474 | _set_state (SV *state) |
3326 | up (SV *self, int adjust = 1) |
2475 | PROTOTYPE: $ |
3327 | ALIAS: |
|
|
3328 | adjust = 1 |
|
|
3329 | CODE: |
|
|
3330 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
|
|
3331 | |
|
|
3332 | void |
|
|
3333 | down (...) |
|
|
3334 | CODE: |
|
|
3335 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
|
|
3336 | |
|
|
3337 | void |
|
|
3338 | wait (...) |
|
|
3339 | CODE: |
|
|
3340 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
|
|
3341 | |
|
|
3342 | void |
|
|
3343 | try (SV *self) |
|
|
3344 | PPCODE: |
|
|
3345 | { |
|
|
3346 | AV *av = (AV *)SvRV (self); |
|
|
3347 | SV *count_sv = AvARRAY (av)[0]; |
|
|
3348 | IV count = SvIVX (count_sv); |
|
|
3349 | |
|
|
3350 | if (count > 0) |
|
|
3351 | { |
|
|
3352 | --count; |
|
|
3353 | SvIVX (count_sv) = count; |
|
|
3354 | XSRETURN_YES; |
|
|
3355 | } |
|
|
3356 | else |
|
|
3357 | XSRETURN_NO; |
|
|
3358 | } |
|
|
3359 | |
|
|
3360 | void |
|
|
3361 | waiters (SV *self) |
|
|
3362 | PPCODE: |
|
|
3363 | { |
|
|
3364 | AV *av = (AV *)SvRV (self); |
|
|
3365 | int wcount = AvFILLp (av) + 1 - 1; |
|
|
3366 | |
|
|
3367 | if (GIMME_V == G_SCALAR) |
|
|
3368 | XPUSHs (sv_2mortal (newSViv (wcount))); |
|
|
3369 | else |
|
|
3370 | { |
|
|
3371 | int i; |
|
|
3372 | EXTEND (SP, wcount); |
|
|
3373 | for (i = 1; i <= wcount; ++i) |
|
|
3374 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
|
|
3375 | } |
|
|
3376 | } |
|
|
3377 | |
|
|
3378 | MODULE = Coro::State PACKAGE = Coro::Signal |
|
|
3379 | |
|
|
3380 | SV * |
|
|
3381 | new (SV *klass) |
2476 | PPCODE: |
3382 | CODE: |
|
|
3383 | RETVAL = sv_bless ( |
|
|
3384 | coro_waitarray_new (aTHX_ 0), |
|
|
3385 | GvSTASH (CvGV (cv)) |
|
|
3386 | ); |
|
|
3387 | OUTPUT: |
|
|
3388 | RETVAL |
|
|
3389 | |
|
|
3390 | void |
|
|
3391 | wait (...) |
|
|
3392 | CODE: |
|
|
3393 | CORO_EXECUTE_SLF_XS (slf_init_signal_wait); |
|
|
3394 | |
|
|
3395 | void |
|
|
3396 | broadcast (SV *self) |
|
|
3397 | CODE: |
2477 | { |
3398 | { |
2478 | AV *av = (AV *)SvRV (state); |
3399 | AV *av = (AV *)SvRV (self); |
2479 | struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]); |
3400 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
2480 | int i; |
3401 | } |
2481 | |
3402 | |
2482 | errno = data->errorno; |
3403 | void |
2483 | PL_laststype = data->laststype; |
3404 | send (SV *self) |
2484 | PL_laststatval = data->laststatval; |
3405 | CODE: |
2485 | PL_statcache = data->statcache; |
3406 | { |
|
|
3407 | AV *av = (AV *)SvRV (self); |
2486 | |
3408 | |
2487 | EXTEND (SP, AvFILLp (av)); |
3409 | if (AvFILLp (av)) |
2488 | for (i = 0; i < AvFILLp (av); ++i) |
3410 | coro_signal_wake (aTHX_ av, 1); |
2489 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i]))); |
3411 | else |
|
|
3412 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
2490 | } |
3413 | } |
|
|
3414 | |
|
|
3415 | IV |
|
|
3416 | awaited (SV *self) |
|
|
3417 | CODE: |
|
|
3418 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
|
|
3419 | OUTPUT: |
|
|
3420 | RETVAL |
2491 | |
3421 | |
2492 | |
3422 | |
2493 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
3423 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
2494 | |
3424 | |
2495 | BOOT: |
3425 | BOOT: |
2496 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
3426 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
2497 | |
3427 | |
2498 | SV * |
3428 | void |
2499 | _schedule (...) |
3429 | _schedule (...) |
2500 | PROTOTYPE: @ |
|
|
2501 | CODE: |
3430 | CODE: |
2502 | { |
3431 | { |
2503 | static int incede; |
3432 | static int incede; |
2504 | |
3433 | |
2505 | api_cede_notself (); |
3434 | api_cede_notself (aTHX); |
2506 | |
3435 | |
2507 | ++incede; |
3436 | ++incede; |
2508 | while (coro_nready >= incede && api_cede ()) |
3437 | while (coro_nready >= incede && api_cede (aTHX)) |
2509 | ; |
3438 | ; |
2510 | |
3439 | |
2511 | sv_setsv (sv_activity, &PL_sv_undef); |
3440 | sv_setsv (sv_activity, &PL_sv_undef); |
2512 | if (coro_nready >= incede) |
3441 | if (coro_nready >= incede) |
2513 | { |
3442 | { |
2514 | PUSHMARK (SP); |
3443 | PUSHMARK (SP); |
2515 | PUTBACK; |
3444 | PUTBACK; |
2516 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
3445 | call_pv ("Coro::AnyEvent::_activity", G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2517 | SPAGAIN; |
|
|
2518 | } |
3446 | } |
2519 | |
3447 | |
2520 | --incede; |
3448 | --incede; |
2521 | } |
3449 | } |
2522 | |
3450 | |
2523 | |
3451 | |
2524 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3452 | MODULE = Coro::State PACKAGE = Coro::AIO |
2525 | |
3453 | |
2526 | BOOT: |
3454 | void |
2527 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3455 | _register (char *target, char *proto, SV *req) |
|
|
3456 | CODE: |
|
|
3457 | { |
|
|
3458 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
|
|
3459 | /* newXSproto doesn't return the CV on 5.8 */ |
|
|
3460 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
|
|
3461 | sv_setpv ((SV *)slf_cv, proto); |
|
|
3462 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
|
|
3463 | } |
2528 | |
3464 | |